Home / 18,901,376.40-28,366,061.40-13,862,528.40

Finding the Fourth Proportional to 18,901,376.40, 28,366,061.40 and 13,862,528.40

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Solution

The fourth proportional to 18,901,376.40, 28,366,061.40 and 13,862,528.40 is: 20,804,058.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,901,376.40 : 28,366,061.40 = 13,862,528.40 : x
  2. Step 2: Convert to fraction form
    18,901,376.40/28,366,061.40 = 13,862,528.40/x
  3. Step 3: Cross multiply
    18,901,376.40x = 28,366,061.40 × 13,862,528.40
  4. Step 4: Simplify right side
    18,901,376.40x = 393,225,331,753,643.75
  5. Step 5: Solve for x
    x = 393,225,331,753,643.75/18,901,376.40
  6. Step 6: Final answer
    x = 20,804,058.04

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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.