Home / 32,712,143.90-45,142,937.82-18,772,390.58

Finding the Fourth Proportional to 32,712,143.90, 45,142,937.82 and 18,772,390.58

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Solution

The fourth proportional to 32,712,143.90, 45,142,937.82 and 18,772,390.58 is: 25,906,001.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,712,143.90 : 45,142,937.82 = 18,772,390.58 : x
  2. Step 2: Convert to fraction form
    32,712,143.90/45,142,937.82 = 18,772,390.58/x
  3. Step 3: Cross multiply
    32,712,143.90x = 45,142,937.82 × 18,772,390.58
  4. Step 4: Simplify right side
    32,712,143.90x = 847,440,860,459,979
  5. Step 5: Solve for x
    x = 847,440,860,459,979/32,712,143.90
  6. Step 6: Final answer
    x = 25,906,001.86

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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.