Home / 35,870,937.12-49,502,985.68-20,403,248.16

Finding the Fourth Proportional to 35,870,937.12, 49,502,985.68 and 20,403,248.16

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Solution

The fourth proportional to 35,870,937.12, 49,502,985.68 and 20,403,248.16 is: 28,157,103.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,870,937.12 : 49,502,985.68 = 20,403,248.16 : x
  2. Step 2: Convert to fraction form
    35,870,937.12/49,502,985.68 = 20,403,248.16/x
  3. Step 3: Cross multiply
    35,870,937.12x = 49,502,985.68 × 20,403,248.16
  4. Step 4: Simplify right side
    35,870,937.12x = 1,010,021,701,489,966.38
  5. Step 5: Solve for x
    x = 1,010,021,701,489,966.38/35,870,937.12
  6. Step 6: Final answer
    x = 28,157,103.84

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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.