Home / 12,554,670.40-18,832,005.60-9,720,318.40

Finding the Fourth Proportional to 12,554,670.40, 18,832,005.60 and 9,720,318.40

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Solution

The fourth proportional to 12,554,670.40, 18,832,005.60 and 9,720,318.40 is: 14,580,477.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,554,670.40 : 18,832,005.60 = 9,720,318.40 : x
  2. Step 2: Convert to fraction form
    12,554,670.40/18,832,005.60 = 9,720,318.40/x
  3. Step 3: Cross multiply
    12,554,670.40x = 18,832,005.60 × 9,720,318.40
  4. Step 4: Simplify right side
    12,554,670.40x = 183,053,090,542,583.06
  5. Step 5: Solve for x
    x = 183,053,090,542,583.06/12,554,670.40
  6. Step 6: Final answer
    x = 14,580,477.60

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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.