Home / 28,918,440.90-43,448,520.15-21,743,987.40

Finding the Fourth Proportional to 28,918,440.90, 43,448,520.15 and 21,743,987.40

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Solution

The fourth proportional to 28,918,440.90, 43,448,520.15 and 21,743,987.40 is: 32,669,260.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,918,440.90 : 43,448,520.15 = 21,743,987.40 : x
  2. Step 2: Convert to fraction form
    28,918,440.90/43,448,520.15 = 21,743,987.40/x
  3. Step 3: Cross multiply
    28,918,440.90x = 43,448,520.15 × 21,743,987.40
  4. Step 4: Simplify right side
    28,918,440.90x = 944,744,074,690,246
  5. Step 5: Solve for x
    x = 944,744,074,690,246/28,918,440.90
  6. Step 6: Final answer
    x = 32,669,260.35

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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.