Home / 40,930,479.20-61,395,718.80-19,407,118.70

Finding the Fourth Proportional to 40,930,479.20, 61,395,718.80 and 19,407,118.70

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Solution

The fourth proportional to 40,930,479.20, 61,395,718.80 and 19,407,118.70 is: 29,110,678.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,930,479.20 : 61,395,718.80 = 19,407,118.70 : x
  2. Step 2: Convert to fraction form
    40,930,479.20/61,395,718.80 = 19,407,118.70/x
  3. Step 3: Cross multiply
    40,930,479.20x = 61,395,718.80 × 19,407,118.70
  4. Step 4: Simplify right side
    40,930,479.20x = 1,191,514,002,423,421.50
  5. Step 5: Solve for x
    x = 1,191,514,002,423,421.50/40,930,479.20
  6. Step 6: Final answer
    x = 29,110,678.05

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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.