Home / 34,992,013.80-52,488,020.70-21,387,124.20

Finding the Fourth Proportional to 34,992,013.80, 52,488,020.70 and 21,387,124.20

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Solution

The fourth proportional to 34,992,013.80, 52,488,020.70 and 21,387,124.20 is: 32,080,686.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,992,013.80 : 52,488,020.70 = 21,387,124.20 : x
  2. Step 2: Convert to fraction form
    34,992,013.80/52,488,020.70 = 21,387,124.20/x
  3. Step 3: Cross multiply
    34,992,013.80x = 52,488,020.70 × 21,387,124.20
  4. Step 4: Simplify right side
    34,992,013.80x = 1,122,567,817,723,071
  5. Step 5: Solve for x
    x = 1,122,567,817,723,071/34,992,013.80
  6. Step 6: Final answer
    x = 32,080,686.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.