Home / 7,381,572.30-11,072,358.45-4,139,782.20

Finding the Fourth Proportional to 7,381,572.30, 11,072,358.45 and 4,139,782.20

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Solution

The fourth proportional to 7,381,572.30, 11,072,358.45 and 4,139,782.20 is: 6,209,673.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,572.30 : 11,072,358.45 = 4,139,782.20 : x
  2. Step 2: Convert to fraction form
    7,381,572.30/11,072,358.45 = 4,139,782.20/x
  3. Step 3: Cross multiply
    7,381,572.30x = 11,072,358.45 × 4,139,782.20
  4. Step 4: Simplify right side
    7,381,572.30x = 45,837,152,423,329.59
  5. Step 5: Solve for x
    x = 45,837,152,423,329.59/7,381,572.30
  6. Step 6: Final answer
    x = 6,209,673.30

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Double scale
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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.