Home / 22,061,159.34-30,431,966.64-13,238,328.30

Finding the Fourth Proportional to 22,061,159.34, 30,431,966.64 and 13,238,328.30

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Solution

The fourth proportional to 22,061,159.34, 30,431,966.64 and 13,238,328.30 is: 18,261,432.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,061,159.34 : 30,431,966.64 = 13,238,328.30 : x
  2. Step 2: Convert to fraction form
    22,061,159.34/30,431,966.64 = 13,238,328.30/x
  3. Step 3: Cross multiply
    22,061,159.34x = 30,431,966.64 × 13,238,328.30
  4. Step 4: Simplify right side
    22,061,159.34x = 402,868,365,194,967.94
  5. Step 5: Solve for x
    x = 402,868,365,194,967.94/22,061,159.34
  6. Step 6: Final answer
    x = 18,261,432.18

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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.