Home / 38,365,073.56-52,943,175.84-20,961,044.20

Finding the Fourth Proportional to 38,365,073.56, 52,943,175.84 and 20,961,044.20

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Solution

The fourth proportional to 38,365,073.56, 52,943,175.84 and 20,961,044.20 is: 28,925,899.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,365,073.56 : 52,943,175.84 = 20,961,044.20 : x
  2. Step 2: Convert to fraction form
    38,365,073.56/52,943,175.84 = 20,961,044.20/x
  3. Step 3: Cross multiply
    38,365,073.56x = 52,943,175.84 × 20,961,044.20
  4. Step 4: Simplify right side
    38,365,073.56x = 1,109,744,248,870,612.12
  5. Step 5: Solve for x
    x = 1,109,744,248,870,612.12/38,365,073.56
  6. Step 6: Final answer
    x = 28,925,899.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.