Home / 13,053,251.56-18,013,787.32-7,173,251.32

Finding the Fourth Proportional to 13,053,251.56, 18,013,787.32 and 7,173,251.32

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Solution

The fourth proportional to 13,053,251.56, 18,013,787.32 and 7,173,251.32 is: 9,899,251.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,053,251.56 : 18,013,787.32 = 7,173,251.32 : x
  2. Step 2: Convert to fraction form
    13,053,251.56/18,013,787.32 = 7,173,251.32/x
  3. Step 3: Cross multiply
    13,053,251.56x = 18,013,787.32 × 7,173,251.32
  4. Step 4: Simplify right side
    13,053,251.56x = 129,217,423,671,389.27
  5. Step 5: Solve for x
    x = 129,217,423,671,389.27/13,053,251.56
  6. Step 6: Final answer
    x = 9,899,251.77

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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.