Home / 22,445,966.82-30,975,778.89-13,151,312.50

Finding the Fourth Proportional to 22,445,966.82, 30,975,778.89 and 13,151,312.50

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Solution

The fourth proportional to 22,445,966.82, 30,975,778.89 and 13,151,312.50 is: 18,149,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,445,966.82 : 30,975,778.89 = 13,151,312.50 : x
  2. Step 2: Convert to fraction form
    22,445,966.82/30,975,778.89 = 13,151,312.50/x
  3. Step 3: Cross multiply
    22,445,966.82x = 30,975,778.89 × 13,151,312.50
  4. Step 4: Simplify right side
    22,445,966.82x = 407,372,148,113,293.12
  5. Step 5: Solve for x
    x = 407,372,148,113,293.12/22,445,966.82
  6. Step 6: Final answer
    x = 18,149,013.20

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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.