Home / 13,140,811.17-18,134,685.09-7,260,824.25

Finding the Fourth Proportional to 13,140,811.17, 18,134,685.09 and 7,260,824.25

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Solution

The fourth proportional to 13,140,811.17, 18,134,685.09 and 7,260,824.25 is: 10,020,139.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,140,811.17 : 18,134,685.09 = 7,260,824.25 : x
  2. Step 2: Convert to fraction form
    13,140,811.17/18,134,685.09 = 7,260,824.25/x
  3. Step 3: Cross multiply
    13,140,811.17x = 18,134,685.09 × 7,260,824.25
  4. Step 4: Simplify right side
    13,140,811.17x = 131,672,761,267,585.44
  5. Step 5: Solve for x
    x = 131,672,761,267,585.44/13,140,811.17
  6. Step 6: Final answer
    x = 10,020,139.52

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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.