Home / 8,698,135.29-13,047,119.90-5,287,363.80

Finding the Fourth Proportional to 8,698,135.29, 13,047,119.90 and 5,287,363.80

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Solution

The fourth proportional to 8,698,135.29, 13,047,119.90 and 5,287,363.80 is: 7,930,995.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,698,135.29 : 13,047,119.90 = 5,287,363.80 : x
  2. Step 2: Convert to fraction form
    8,698,135.29/13,047,119.90 = 5,287,363.80/x
  3. Step 3: Cross multiply
    8,698,135.29x = 13,047,119.90 × 5,287,363.80
  4. Step 4: Simplify right side
    8,698,135.29x = 68,984,869,427,725.13
  5. Step 5: Solve for x
    x = 68,984,869,427,725.13/8,698,135.29
  6. Step 6: Final answer
    x = 7,930,995.23

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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.