Home / 8,418,491.20-12,630,069.60-5,584,139.20

Finding the Fourth Proportional to 8,418,491.20, 12,630,069.60 and 5,584,139.20

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Solution

The fourth proportional to 8,418,491.20, 12,630,069.60 and 5,584,139.20 is: 8,377,756.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418,491.20 : 12,630,069.60 = 5,584,139.20 : x
  2. Step 2: Convert to fraction form
    8,418,491.20/12,630,069.60 = 5,584,139.20/x
  3. Step 3: Cross multiply
    8,418,491.20x = 12,630,069.60 × 5,584,139.20
  4. Step 4: Simplify right side
    8,418,491.20x = 70,528,066,752,088.31
  5. Step 5: Solve for x
    x = 70,528,066,752,088.31/8,418,491.20
  6. Step 6: Final answer
    x = 8,377,756.19

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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.