Home / 29,735,178.17-40,958,089.22-21,018,364.79

Finding the Fourth Proportional to 29,735,178.17, 40,958,089.22 and 21,018,364.79

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Solution

The fourth proportional to 29,735,178.17, 40,958,089.22 and 21,018,364.79 is: 28,951,299.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,735,178.17 : 40,958,089.22 = 21,018,364.79 : x
  2. Step 2: Convert to fraction form
    29,735,178.17/40,958,089.22 = 21,018,364.79/x
  3. Step 3: Cross multiply
    29,735,178.17x = 40,958,089.22 × 21,018,364.79
  4. Step 4: Simplify right side
    29,735,178.17x = 860,872,060,175,082
  5. Step 5: Solve for x
    x = 860,872,060,175,082/29,735,178.17
  6. Step 6: Final answer
    x = 28,951,299.88

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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.