Home / 15,628,001.15-21,566,641.59-8,752,483.22

Finding the Fourth Proportional to 15,628,001.15, 21,566,641.59 and 8,752,483.22

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Solution

The fourth proportional to 15,628,001.15, 21,566,641.59 and 8,752,483.22 is: 12,078,426.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,628,001.15 : 21,566,641.59 = 8,752,483.22 : x
  2. Step 2: Convert to fraction form
    15,628,001.15/21,566,641.59 = 8,752,483.22/x
  3. Step 3: Cross multiply
    15,628,001.15x = 21,566,641.59 × 8,752,483.22
  4. Step 4: Simplify right side
    15,628,001.15x = 188,761,668,520,395.91
  5. Step 5: Solve for x
    x = 188,761,668,520,395.91/15,628,001.15
  6. Step 6: Final answer
    x = 12,078,426.84

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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.