Home / 7,423,387.20-10,245,127.20-4,161,084.48

Finding the Fourth Proportional to 7,423,387.20, 10,245,127.20 and 4,161,084.48

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Solution

The fourth proportional to 7,423,387.20, 10,245,127.20 and 4,161,084.48 is: 5,742,774.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423,387.20 : 10,245,127.20 = 4,161,084.48 : x
  2. Step 2: Convert to fraction form
    7,423,387.20/10,245,127.20 = 4,161,084.48/x
  3. Step 3: Cross multiply
    7,423,387.20x = 10,245,127.20 × 4,161,084.48
  4. Step 4: Simplify right side
    7,423,387.20x = 42,630,839,787,545.85
  5. Step 5: Solve for x
    x = 42,630,839,787,545.85/7,423,387.20
  6. Step 6: Final answer
    x = 5,742,774.64

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1.5x scale

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.