Home / 15,205,742.88-22,812,478.56-4,423,043.76

Finding the Fourth Proportional to 15,205,742.88, 22,812,478.56 and 4,423,043.76

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Solution

The fourth proportional to 15,205,742.88, 22,812,478.56 and 4,423,043.76 is: 6,635,689.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,205,742.88 : 22,812,478.56 = 4,423,043.76 : x
  2. Step 2: Convert to fraction form
    15,205,742.88/22,812,478.56 = 4,423,043.76/x
  3. Step 3: Cross multiply
    15,205,742.88x = 22,812,478.56 × 4,423,043.76
  4. Step 4: Simplify right side
    15,205,742.88x = 100,900,590,944,941.78
  5. Step 5: Solve for x
    x = 100,900,590,944,941.78/15,205,742.88
  6. Step 6: Final answer
    x = 6,635,689.67

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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.