Home / 18,145,972.55-25,041,367.08-9,886,009.48

Finding the Fourth Proportional to 18,145,972.55, 25,041,367.08 and 9,886,009.48

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Solution

The fourth proportional to 18,145,972.55, 25,041,367.08 and 9,886,009.48 is: 13,642,652.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,972.55 : 25,041,367.08 = 9,886,009.48 : x
  2. Step 2: Convert to fraction form
    18,145,972.55/25,041,367.08 = 9,886,009.48/x
  3. Step 3: Cross multiply
    18,145,972.55x = 25,041,367.08 × 9,886,009.48
  4. Step 4: Simplify right side
    18,145,972.55x = 247,559,192,282,436.47
  5. Step 5: Solve for x
    x = 247,559,192,282,436.47/18,145,972.55
  6. Step 6: Final answer
    x = 13,642,652.20

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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.