Home / 19,938,612.39-29,908,155.92-5,560,805.40

Finding the Fourth Proportional to 19,938,612.39, 29,908,155.92 and 5,560,805.40

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Solution

The fourth proportional to 19,938,612.39, 29,908,155.92 and 5,560,805.40 is: 8,341,274.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,938,612.39 : 29,908,155.92 = 5,560,805.40 : x
  2. Step 2: Convert to fraction form
    19,938,612.39/29,908,155.92 = 5,560,805.40/x
  3. Step 3: Cross multiply
    19,938,612.39x = 29,908,155.92 × 5,560,805.40
  4. Step 4: Simplify right side
    19,938,612.39x = 166,313,434,943,978
  5. Step 5: Solve for x
    x = 166,313,434,943,978/19,938,612.39
  6. Step 6: Final answer
    x = 8,341,274.29

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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.