Home / 28,918,502.40-43,448,612.40-21,744,048.90

Finding the Fourth Proportional to 28,918,502.40, 43,448,612.40 and 21,744,048.90

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Solution

The fourth proportional to 28,918,502.40, 43,448,612.40 and 21,744,048.90 is: 32,669,352.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,918,502.40 : 43,448,612.40 = 21,744,048.90 : x
  2. Step 2: Convert to fraction form
    28,918,502.40/43,448,612.40 = 21,744,048.90/x
  3. Step 3: Cross multiply
    28,918,502.40x = 43,448,612.40 × 21,744,048.90
  4. Step 4: Simplify right side
    28,918,502.40x = 944,748,752,662,746.25
  5. Step 5: Solve for x
    x = 944,748,752,662,746.25/28,918,502.40
  6. Step 6: Final answer
    x = 32,669,352.64

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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.