Home / 13,291,637.01-18,345,871.62-8,656,970.91

Finding the Fourth Proportional to 13,291,637.01, 18,345,871.62 and 8,656,970.91

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Solution

The fourth proportional to 13,291,637.01, 18,345,871.62 and 8,656,970.91 is: 11,948,842.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291,637.01 : 18,345,871.62 = 8,656,970.91 : x
  2. Step 2: Convert to fraction form
    13,291,637.01/18,345,871.62 = 8,656,970.91/x
  3. Step 3: Cross multiply
    13,291,637.01x = 18,345,871.62 × 8,656,970.91
  4. Step 4: Simplify right side
    13,291,637.01x = 158,819,676,932,934.59
  5. Step 5: Solve for x
    x = 158,819,676,932,934.59/13,291,637.01
  6. Step 6: Final answer
    x = 11,948,842.48

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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.