Home / 14,132,001.80-21,205,001.10-8,071,387.40

Finding the Fourth Proportional to 14,132,001.80, 21,205,001.10 and 8,071,387.40

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Solution

The fourth proportional to 14,132,001.80, 21,205,001.10 and 8,071,387.40 is: 12,111,078.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,132,001.80 : 21,205,001.10 = 8,071,387.40 : x
  2. Step 2: Convert to fraction form
    14,132,001.80/21,205,001.10 = 8,071,387.40/x
  3. Step 3: Cross multiply
    14,132,001.80x = 21,205,001.10 × 8,071,387.40
  4. Step 4: Simplify right side
    14,132,001.80x = 171,153,778,695,526.16
  5. Step 5: Solve for x
    x = 171,153,778,695,526.16/14,132,001.80
  6. Step 6: Final answer
    x = 12,111,078.18

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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.