Home / 28,514,987.20-42,772,480.80-23,812,062.40

Finding the Fourth Proportional to 28,514,987.20, 42,772,480.80 and 23,812,062.40

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Solution

The fourth proportional to 28,514,987.20, 42,772,480.80 and 23,812,062.40 is: 35,718,093.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,514,987.20 : 42,772,480.80 = 23,812,062.40 : x
  2. Step 2: Convert to fraction form
    28,514,987.20/42,772,480.80 = 23,812,062.40/x
  3. Step 3: Cross multiply
    28,514,987.20x = 42,772,480.80 × 23,812,062.40
  4. Step 4: Simplify right side
    28,514,987.20x = 1,018,500,981,812,401.75
  5. Step 5: Solve for x
    x = 1,018,500,981,812,401.75/28,514,987.20
  6. Step 6: Final answer
    x = 35,718,093.60

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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.