Home / 18,693,541.40-28,040,312.10-14,914,405.40

Finding the Fourth Proportional to 18,693,541.40, 28,040,312.10 and 14,914,405.40

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Solution

The fourth proportional to 18,693,541.40, 28,040,312.10 and 14,914,405.40 is: 22,371,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,693,541.40 : 28,040,312.10 = 14,914,405.40 : x
  2. Step 2: Convert to fraction form
    18,693,541.40/28,040,312.10 = 14,914,405.40/x
  3. Step 3: Cross multiply
    18,693,541.40x = 28,040,312.10 × 14,914,405.40
  4. Step 4: Simplify right side
    18,693,541.40x = 418,204,582,201,925.38
  5. Step 5: Solve for x
    x = 418,204,582,201,925.38/18,693,541.40
  6. Step 6: Final answer
    x = 22,371,608.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.