Home / 7,478,059.20-11,217,088.80-2,429,369.70

Finding the Fourth Proportional to 7,478,059.20, 11,217,088.80 and 2,429,369.70

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Solution

The fourth proportional to 7,478,059.20, 11,217,088.80 and 2,429,369.70 is: 3,644,054.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,478,059.20 : 11,217,088.80 = 2,429,369.70 : x
  2. Step 2: Convert to fraction form
    7,478,059.20/11,217,088.80 = 2,429,369.70/x
  3. Step 3: Cross multiply
    7,478,059.20x = 11,217,088.80 × 2,429,369.70
  4. Step 4: Simplify right side
    7,478,059.20x = 27,250,455,652,929.36
  5. Step 5: Solve for x
    x = 27,250,455,652,929.36/7,478,059.20
  6. Step 6: Final answer
    x = 3,644,054.55

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Similar ratio
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1.5x scale

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.