Home / 18,120,608.88-25,006,444.32-9,971,846.88

Finding the Fourth Proportional to 18,120,608.88, 25,006,444.32 and 9,971,846.88

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Solution

The fourth proportional to 18,120,608.88, 25,006,444.32 and 9,971,846.88 is: 13,761,150.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,120,608.88 : 25,006,444.32 = 9,971,846.88 : x
  2. Step 2: Convert to fraction form
    18,120,608.88/25,006,444.32 = 9,971,846.88/x
  3. Step 3: Cross multiply
    18,120,608.88x = 25,006,444.32 × 9,971,846.88
  4. Step 4: Simplify right side
    18,120,608.88x = 249,360,433,772,285.75
  5. Step 5: Solve for x
    x = 249,360,433,772,285.75/18,120,608.88
  6. Step 6: Final answer
    x = 13,761,150.93

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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.