Home / 13,594,520.80-20,391,781.20-7,547,903.20

Finding the Fourth Proportional to 13,594,520.80, 20,391,781.20 and 7,547,903.20

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Solution

The fourth proportional to 13,594,520.80, 20,391,781.20 and 7,547,903.20 is: 11,321,854.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,594,520.80 : 20,391,781.20 = 7,547,903.20 : x
  2. Step 2: Convert to fraction form
    13,594,520.80/20,391,781.20 = 7,547,903.20/x
  3. Step 3: Cross multiply
    13,594,520.80x = 20,391,781.20 × 7,547,903.20
  4. Step 4: Simplify right side
    13,594,520.80x = 153,915,190,573,179.84
  5. Step 5: Solve for x
    x = 153,915,190,573,179.84/13,594,520.80
  6. Step 6: Final answer
    x = 11,321,854.80

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1.5x scale

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.