Home / 13,250,545.06-18,285,780.63-7,449,374.47

Finding the Fourth Proportional to 13,250,545.06, 18,285,780.63 and 7,449,374.47

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Solution

The fourth proportional to 13,250,545.06, 18,285,780.63 and 7,449,374.47 is: 10,280,152.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250,545.06 : 18,285,780.63 = 7,449,374.47 : x
  2. Step 2: Convert to fraction form
    13,250,545.06/18,285,780.63 = 7,449,374.47/x
  3. Step 3: Cross multiply
    13,250,545.06x = 18,285,780.63 × 7,449,374.47
  4. Step 4: Simplify right side
    13,250,545.06x = 136,217,627,389,142.50
  5. Step 5: Solve for x
    x = 136,217,627,389,142.50/13,250,545.06
  6. Step 6: Final answer
    x = 10,280,152.76

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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.