Home / 13,744,007.20-20,616,010.80-12,547,280.80

Finding the Fourth Proportional to 13,744,007.20, 20,616,010.80 and 12,547,280.80

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Solution

The fourth proportional to 13,744,007.20, 20,616,010.80 and 12,547,280.80 is: 18,820,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744,007.20 : 20,616,010.80 = 12,547,280.80 : x
  2. Step 2: Convert to fraction form
    13,744,007.20/20,616,010.80 = 12,547,280.80/x
  3. Step 3: Cross multiply
    13,744,007.20x = 20,616,010.80 × 12,547,280.80
  4. Step 4: Simplify right side
    13,744,007.20x = 258,674,876,483,432.66
  5. Step 5: Solve for x
    x = 258,674,876,483,432.66/13,744,007.20
  6. Step 6: Final answer
    x = 18,820,921.20

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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.