Home / 38,307,530.61-52,865,513.81-20,904,997.52

Finding the Fourth Proportional to 38,307,530.61, 52,865,513.81 and 20,904,997.52

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Solution

The fourth proportional to 38,307,530.61, 52,865,513.81 and 20,904,997.52 is: 28,849,508.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,307,530.61 : 52,865,513.81 = 20,904,997.52 : x
  2. Step 2: Convert to fraction form
    38,307,530.61/52,865,513.81 = 20,904,997.52/x
  3. Step 3: Cross multiply
    38,307,530.61x = 52,865,513.81 × 20,904,997.52
  4. Step 4: Simplify right side
    38,307,530.61x = 1,105,153,435,276,002.12
  5. Step 5: Solve for x
    x = 1,105,153,435,276,002.12/38,307,530.61
  6. Step 6: Final answer
    x = 28,849,508.64

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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.