Home / 12,096,619.40-18,144,929.10-9,969,105.80

Finding the Fourth Proportional to 12,096,619.40, 18,144,929.10 and 9,969,105.80

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Solution

The fourth proportional to 12,096,619.40, 18,144,929.10 and 9,969,105.80 is: 14,953,658.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,619.40 : 18,144,929.10 = 9,969,105.80 : x
  2. Step 2: Convert to fraction form
    12,096,619.40/18,144,929.10 = 9,969,105.80/x
  3. Step 3: Cross multiply
    12,096,619.40x = 18,144,929.10 × 9,969,105.80
  4. Step 4: Simplify right side
    12,096,619.40x = 180,888,717,931,398.81
  5. Step 5: Solve for x
    x = 180,888,717,931,398.81/12,096,619.40
  6. Step 6: Final answer
    x = 14,953,658.70

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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.