Home / 29,022,143.05-40,049,356.63-15,791,374.42

Finding the Fourth Proportional to 29,022,143.05, 40,049,356.63 and 15,791,374.42

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Solution

The fourth proportional to 29,022,143.05, 40,049,356.63 and 15,791,374.42 is: 21,791,443.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,022,143.05 : 40,049,356.63 = 15,791,374.42 : x
  2. Step 2: Convert to fraction form
    29,022,143.05/40,049,356.63 = 15,791,374.42/x
  3. Step 3: Cross multiply
    29,022,143.05x = 40,049,356.63 × 15,791,374.42
  4. Step 4: Simplify right side
    29,022,143.05x = 632,434,385,824,439.50
  5. Step 5: Solve for x
    x = 632,434,385,824,439.50/29,022,143.05
  6. Step 6: Final answer
    x = 21,791,443.34

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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.