Home / 32,712,144.90-45,142,939.20-18,772,391.58

Finding the Fourth Proportional to 32,712,144.90, 45,142,939.20 and 18,772,391.58

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Solution

The fourth proportional to 32,712,144.90, 45,142,939.20 and 18,772,391.58 is: 25,906,003.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,712,144.90 : 45,142,939.20 = 18,772,391.58 : x
  2. Step 2: Convert to fraction form
    32,712,144.90/45,142,939.20 = 18,772,391.58/x
  3. Step 3: Cross multiply
    32,712,144.90x = 45,142,939.20 × 18,772,391.58
  4. Step 4: Simplify right side
    32,712,144.90x = 847,440,931,734,531.88
  5. Step 5: Solve for x
    x = 847,440,931,734,531.88/32,712,144.90
  6. Step 6: Final answer
    x = 25,906,003.24

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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.