Home / 7,208,655.60-9,946,874.64-4,378,229.28

Finding the Fourth Proportional to 7,208,655.60, 9,946,874.64 and 4,378,229.28

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Solution

The fourth proportional to 7,208,655.60, 9,946,874.64 and 4,378,229.28 is: 6,041,306.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208,655.60 : 9,946,874.64 = 4,378,229.28 : x
  2. Step 2: Convert to fraction form
    7,208,655.60/9,946,874.64 = 4,378,229.28/x
  3. Step 3: Cross multiply
    7,208,655.60x = 9,946,874.64 × 4,378,229.28
  4. Step 4: Simplify right side
    7,208,655.60x = 43,549,697,793,337.46
  5. Step 5: Solve for x
    x = 43,549,697,793,337.46/7,208,655.60
  6. Step 6: Final answer
    x = 6,041,306.48

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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.