Home / 40,609,643.40-60,914,465.10-28,516,408.20

Finding the Fourth Proportional to 40,609,643.40, 60,914,465.10 and 28,516,408.20

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Solution

The fourth proportional to 40,609,643.40, 60,914,465.10 and 28,516,408.20 is: 42,774,612.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,609,643.40 : 60,914,465.10 = 28,516,408.20 : x
  2. Step 2: Convert to fraction form
    40,609,643.40/60,914,465.10 = 28,516,408.20/x
  3. Step 3: Cross multiply
    40,609,643.40x = 60,914,465.10 × 28,516,408.20
  4. Step 4: Simplify right side
    40,609,643.40x = 1,737,061,752,076,253.75
  5. Step 5: Solve for x
    x = 1,737,061,752,076,253.75/40,609,643.40
  6. Step 6: Final answer
    x = 42,774,612.30

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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.