Home / 25,305,385.40-34,921,368.87-13,702,948.28

Finding the Fourth Proportional to 25,305,385.40, 34,921,368.87 and 13,702,948.28

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Solution

The fourth proportional to 25,305,385.40, 34,921,368.87 and 13,702,948.28 is: 18,910,034.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,305,385.40 : 34,921,368.87 = 13,702,948.28 : x
  2. Step 2: Convert to fraction form
    25,305,385.40/34,921,368.87 = 13,702,948.28/x
  3. Step 3: Cross multiply
    25,305,385.40x = 34,921,368.87 × 13,702,948.28
  4. Step 4: Simplify right side
    25,305,385.40x = 478,525,711,492,412
  5. Step 5: Solve for x
    x = 478,525,711,492,412/25,305,385.40
  6. Step 6: Final answer
    x = 18,910,034.52

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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.