Home / 15,455,575.80-23,185,988.10-8,265,157.20

Finding the Fourth Proportional to 15,455,575.80, 23,185,988.10 and 8,265,157.20

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Solution

The fourth proportional to 15,455,575.80, 23,185,988.10 and 8,265,157.20 is: 12,399,139.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,455,575.80 : 23,185,988.10 = 8,265,157.20 : x
  2. Step 2: Convert to fraction form
    15,455,575.80/23,185,988.10 = 8,265,157.20/x
  3. Step 3: Cross multiply
    15,455,575.80x = 23,185,988.10 × 8,265,157.20
  4. Step 4: Simplify right side
    15,455,575.80x = 191,635,836,483,829.34
  5. Step 5: Solve for x
    x = 191,635,836,483,829.34/15,455,575.80
  6. Step 6: Final answer
    x = 12,399,139.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.