Home / 13,453,498.80-20,180,248.20-9,414,547.20

Finding the Fourth Proportional to 13,453,498.80, 20,180,248.20 and 9,414,547.20

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Solution

The fourth proportional to 13,453,498.80, 20,180,248.20 and 9,414,547.20 is: 14,121,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453,498.80 : 20,180,248.20 = 9,414,547.20 : x
  2. Step 2: Convert to fraction form
    13,453,498.80/20,180,248.20 = 9,414,547.20/x
  3. Step 3: Cross multiply
    13,453,498.80x = 20,180,248.20 × 9,414,547.20
  4. Step 4: Simplify right side
    13,453,498.80x = 189,987,899,186,615.03
  5. Step 5: Solve for x
    x = 189,987,899,186,615.03/13,453,498.80
  6. Step 6: Final answer
    x = 14,121,820.80

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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.