Home / 12,457,447.23-17,191,428.50-7,231,666.10

Finding the Fourth Proportional to 12,457,447.23, 17,191,428.50 and 7,231,666.10

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Solution

The fourth proportional to 12,457,447.23, 17,191,428.50 and 7,231,666.10 is: 9,979,787.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457,447.23 : 17,191,428.50 = 7,231,666.10 : x
  2. Step 2: Convert to fraction form
    12,457,447.23/17,191,428.50 = 7,231,666.10/x
  3. Step 3: Cross multiply
    12,457,447.23x = 17,191,428.50 × 7,231,666.10
  4. Step 4: Simplify right side
    12,457,447.23x = 124,322,670,626,145.88
  5. Step 5: Solve for x
    x = 124,322,670,626,145.88/12,457,447.23
  6. Step 6: Final answer
    x = 9,979,787.05

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.