Home / 28,403,231.70-42,604,847.55-13,258,694.10

Finding the Fourth Proportional to 28,403,231.70, 42,604,847.55 and 13,258,694.10

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Solution

The fourth proportional to 28,403,231.70, 42,604,847.55 and 13,258,694.10 is: 19,888,041.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,403,231.70 : 42,604,847.55 = 13,258,694.10 : x
  2. Step 2: Convert to fraction form
    28,403,231.70/42,604,847.55 = 13,258,694.10/x
  3. Step 3: Cross multiply
    28,403,231.70x = 42,604,847.55 × 13,258,694.10
  4. Step 4: Simplify right side
    28,403,231.70x = 564,884,640,842,584.38
  5. Step 5: Solve for x
    x = 564,884,640,842,584.38/28,403,231.70
  6. Step 6: Final answer
    x = 19,888,041.15

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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.