Home / 25,109,801.13-34,655,307.47-15,325,930.81

Finding the Fourth Proportional to 25,109,801.13, 34,655,307.47 and 15,325,930.81

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Solution

The fourth proportional to 25,109,801.13, 34,655,307.47 and 15,325,930.81 is: 21,152,092.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,109,801.13 : 34,655,307.47 = 15,325,930.81 : x
  2. Step 2: Convert to fraction form
    25,109,801.13/34,655,307.47 = 15,325,930.81/x
  3. Step 3: Cross multiply
    25,109,801.13x = 34,655,307.47 × 15,325,930.81
  4. Step 4: Simplify right side
    25,109,801.13x = 531,124,844,484,496.12
  5. Step 5: Solve for x
    x = 531,124,844,484,496.12/25,109,801.13
  6. Step 6: Final answer
    x = 21,152,092.83

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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.