Home / 40,005,920.42-55,217,051.68-24,321,612.20

Finding the Fourth Proportional to 40,005,920.42, 55,217,051.68 and 24,321,612.20

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Solution

The fourth proportional to 40,005,920.42, 55,217,051.68 and 24,321,612.20 is: 33,569,224.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,005,920.42 : 55,217,051.68 = 24,321,612.20 : x
  2. Step 2: Convert to fraction form
    40,005,920.42/55,217,051.68 = 24,321,612.20/x
  3. Step 3: Cross multiply
    40,005,920.42x = 55,217,051.68 × 24,321,612.20
  4. Step 4: Simplify right side
    40,005,920.42x = 1,342,967,717,807,628
  5. Step 5: Solve for x
    x = 1,342,967,717,807,628/40,005,920.42
  6. Step 6: Final answer
    x = 33,569,224.34

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Double scale
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1.5x scale

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.