Home / 21,874,159.20-32,808,128.40-7,497,890.40

Finding the Fourth Proportional to 21,874,159.20, 32,808,128.40 and 7,497,890.40

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Solution

The fourth proportional to 21,874,159.20, 32,808,128.40 and 7,497,890.40 is: 11,245,769.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,874,159.20 : 32,808,128.40 = 7,497,890.40 : x
  2. Step 2: Convert to fraction form
    21,874,159.20/32,808,128.40 = 7,497,890.40/x
  3. Step 3: Cross multiply
    21,874,159.20x = 32,808,128.40 × 7,497,890.40
  4. Step 4: Simplify right side
    21,874,159.20x = 245,991,750,972,327.38
  5. Step 5: Solve for x
    x = 245,991,750,972,327.38/21,874,159.20
  6. Step 6: Final answer
    x = 11,245,769.44

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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.