Home / 13,537,947.65-18,681,257.27-7,426,376.15

Finding the Fourth Proportional to 13,537,947.65, 18,681,257.27 and 7,426,376.15

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Solution

The fourth proportional to 13,537,947.65, 18,681,257.27 and 7,426,376.15 is: 10,247,789.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,537,947.65 : 18,681,257.27 = 7,426,376.15 : x
  2. Step 2: Convert to fraction form
    13,537,947.65/18,681,257.27 = 7,426,376.15/x
  3. Step 3: Cross multiply
    13,537,947.65x = 18,681,257.27 × 7,426,376.15
  4. Step 4: Simplify right side
    13,537,947.65x = 138,734,043,367,101.77
  5. Step 5: Solve for x
    x = 138,734,043,367,101.77/13,537,947.65
  6. Step 6: Final answer
    x = 10,247,789.92

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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.