Home / 19,412,046.40-29,128,567.20-8,631,011.20

Finding the Fourth Proportional to 19,412,046.40, 29,128,567.20 and 8,631,011.20

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Solution

The fourth proportional to 19,412,046.40, 29,128,567.20 and 8,631,011.20 is: 12,951,184.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412,046.40 : 29,128,567.20 = 8,631,011.20 : x
  2. Step 2: Convert to fraction form
    19,412,046.40/29,128,567.20 = 8,631,011.20/x
  3. Step 3: Cross multiply
    19,412,046.40x = 29,128,567.20 × 8,631,011.20
  4. Step 4: Simplify right side
    19,412,046.40x = 251,408,989,743,152.62
  5. Step 5: Solve for x
    x = 251,408,989,743,152.62/19,412,046.40
  6. Step 6: Final answer
    x = 12,951,184.26

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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.