Home / 19,802,322.90-29,699,337.15-9,712,185.30

Finding the Fourth Proportional to 19,802,322.90, 29,699,337.15 and 9,712,185.30

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Solution

The fourth proportional to 19,802,322.90, 29,699,337.15 and 9,712,185.30 is: 14,566,243.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,802,322.90 : 29,699,337.15 = 9,712,185.30 : x
  2. Step 2: Convert to fraction form
    19,802,322.90/29,699,337.15 = 9,712,185.30/x
  3. Step 3: Cross multiply
    19,802,322.90x = 29,699,337.15 × 9,712,185.30
  4. Step 4: Simplify right side
    19,802,322.90x = 288,445,465,687,973.88
  5. Step 5: Solve for x
    x = 288,445,465,687,973.88/19,802,322.90
  6. Step 6: Final answer
    x = 14,566,243.93

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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.