Home / 21,387,816.60-32,081,724.90-7,012,337.55

Finding the Fourth Proportional to 21,387,816.60, 32,081,724.90 and 7,012,337.55

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Solution

The fourth proportional to 21,387,816.60, 32,081,724.90 and 7,012,337.55 is: 10,518,506.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,387,816.60 : 32,081,724.90 = 7,012,337.55 : x
  2. Step 2: Convert to fraction form
    21,387,816.60/32,081,724.90 = 7,012,337.55/x
  3. Step 3: Cross multiply
    21,387,816.60x = 32,081,724.90 × 7,012,337.55
  4. Step 4: Simplify right side
    21,387,816.60x = 224,967,884,185,039.97
  5. Step 5: Solve for x
    x = 224,967,884,185,039.97/21,387,816.60
  6. Step 6: Final answer
    x = 10,518,506.33

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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.