Home / 18,124,405.43-25,012,228.73-9,865,064.93

Finding the Fourth Proportional to 18,124,405.43, 25,012,228.73 and 9,865,064.93

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Solution

The fourth proportional to 18,124,405.43, 25,012,228.73 and 9,865,064.93 is: 13,614,088.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,124,405.43 : 25,012,228.73 = 9,865,064.93 : x
  2. Step 2: Convert to fraction form
    18,124,405.43/25,012,228.73 = 9,865,064.93/x
  3. Step 3: Cross multiply
    18,124,405.43x = 25,012,228.73 × 9,865,064.93
  4. Step 4: Simplify right side
    18,124,405.43x = 246,747,260,291,075
  5. Step 5: Solve for x
    x = 246,747,260,291,075/18,124,405.43
  6. Step 6: Final answer
    x = 13,614,088.55

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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.