Home / 12,949,057.70-19,423,586.55-4,428,116.90

Finding the Fourth Proportional to 12,949,057.70, 19,423,586.55 and 4,428,116.90

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Solution

The fourth proportional to 12,949,057.70, 19,423,586.55 and 4,428,116.90 is: 6,642,175.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949,057.70 : 19,423,586.55 = 4,428,116.90 : x
  2. Step 2: Convert to fraction form
    12,949,057.70/19,423,586.55 = 4,428,116.90/x
  3. Step 3: Cross multiply
    12,949,057.70x = 19,423,586.55 × 4,428,116.90
  4. Step 4: Simplify right side
    12,949,057.70x = 86,009,911,860,667.70
  5. Step 5: Solve for x
    x = 86,009,911,860,667.70/12,949,057.70
  6. Step 6: Final answer
    x = 6,642,175.35

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Similar ratio
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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.