Home / 15,455,586.80-23,186,004.60-8,265,168.20

Finding the Fourth Proportional to 15,455,586.80, 23,186,004.60 and 8,265,168.20

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Solution

The fourth proportional to 15,455,586.80, 23,186,004.60 and 8,265,168.20 is: 12,399,155.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,455,586.80 : 23,186,004.60 = 8,265,168.20 : x
  2. Step 2: Convert to fraction form
    15,455,586.80/23,186,004.60 = 8,265,168.20/x
  3. Step 3: Cross multiply
    15,455,586.80x = 23,186,004.60 × 8,265,168.20
  4. Step 4: Simplify right side
    15,455,586.80x = 191,636,227,904,973.75
  5. Step 5: Solve for x
    x = 191,636,227,904,973.75/15,455,586.80
  6. Step 6: Final answer
    x = 12,399,155.75

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1.5x scale

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.