Home / 12,096,009.40-18,144,014.10-9,968,495.80

Finding the Fourth Proportional to 12,096,009.40, 18,144,014.10 and 9,968,495.80

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Solution

The fourth proportional to 12,096,009.40, 18,144,014.10 and 9,968,495.80 is: 14,952,743.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,009.40 : 18,144,014.10 = 9,968,495.80 : x
  2. Step 2: Convert to fraction form
    12,096,009.40/18,144,014.10 = 9,968,495.80/x
  3. Step 3: Cross multiply
    12,096,009.40x = 18,144,014.10 × 9,968,495.80
  4. Step 4: Simplify right side
    12,096,009.40x = 180,868,528,350,990.81
  5. Step 5: Solve for x
    x = 180,868,528,350,990.81/12,096,009.40
  6. Step 6: Final answer
    x = 14,952,743.70

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.