Home / 15,234,819.60-21,023,347.56-8,359,130.64

Finding the Fourth Proportional to 15,234,819.60, 21,023,347.56 and 8,359,130.64

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Solution

The fourth proportional to 15,234,819.60, 21,023,347.56 and 8,359,130.64 is: 11,535,214.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,234,819.60 : 21,023,347.56 = 8,359,130.64 : x
  2. Step 2: Convert to fraction form
    15,234,819.60/21,023,347.56 = 8,359,130.64/x
  3. Step 3: Cross multiply
    15,234,819.60x = 21,023,347.56 × 8,359,130.64
  4. Step 4: Simplify right side
    15,234,819.60x = 175,736,908,744,165.22
  5. Step 5: Solve for x
    x = 175,736,908,744,165.22/15,234,819.60
  6. Step 6: Final answer
    x = 11,535,214.29

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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.