Home / 25,142,462.56-34,696,827.12-15,219,573.28

Finding the Fourth Proportional to 25,142,462.56, 34,696,827.12 and 15,219,573.28

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Solution

The fourth proportional to 25,142,462.56, 34,696,827.12 and 15,219,573.28 is: 21,003,149.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,142,462.56 : 34,696,827.12 = 15,219,573.28 : x
  2. Step 2: Convert to fraction form
    25,142,462.56/34,696,827.12 = 15,219,573.28/x
  3. Step 3: Cross multiply
    25,142,462.56x = 34,696,827.12 × 15,219,573.28
  4. Step 4: Simplify right side
    25,142,462.56x = 528,070,902,936,331.31
  5. Step 5: Solve for x
    x = 528,070,902,936,331.31/25,142,462.56
  6. Step 6: Final answer
    x = 21,003,149.62

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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.