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Finding the Fourth Proportional to 22,360,343.63, 30,856,978.35 and 12,437,159.18

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Solution

The fourth proportional to 22,360,343.63, 30,856,978.35 and 12,437,159.18 is: 17,163,115.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,360,343.63 : 30,856,978.35 = 12,437,159.18 : x
  2. Step 2: Convert to fraction form
    22,360,343.63/30,856,978.35 = 12,437,159.18/x
  3. Step 3: Cross multiply
    22,360,343.63x = 30,856,978.35 × 12,437,159.18
  4. Step 4: Simplify right side
    22,360,343.63x = 383,773,151,398,478.88
  5. Step 5: Solve for x
    x = 383,773,151,398,478.88/22,360,343.63
  6. Step 6: Final answer
    x = 17,163,115.10

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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.