Home / 21,805,048.60-32,707,572.90-13,280,997.40

Finding the Fourth Proportional to 21,805,048.60, 32,707,572.90 and 13,280,997.40

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Solution

The fourth proportional to 21,805,048.60, 32,707,572.90 and 13,280,997.40 is: 19,921,496.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,805,048.60 : 32,707,572.90 = 13,280,997.40 : x
  2. Step 2: Convert to fraction form
    21,805,048.60/32,707,572.90 = 13,280,997.40/x
  3. Step 3: Cross multiply
    21,805,048.60x = 32,707,572.90 × 13,280,997.40
  4. Step 4: Simplify right side
    21,805,048.60x = 434,389,190,645,210.44
  5. Step 5: Solve for x
    x = 434,389,190,645,210.44/21,805,048.60
  6. Step 6: Final answer
    x = 19,921,496.10

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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.