Home / 8,692,006.20-13,038,009.30-5,479,740.60

Finding the Fourth Proportional to 8,692,006.20, 13,038,009.30 and 5,479,740.60

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Solution

The fourth proportional to 8,692,006.20, 13,038,009.30 and 5,479,740.60 is: 8,219,610.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,692,006.20 : 13,038,009.30 = 5,479,740.60 : x
  2. Step 2: Convert to fraction form
    8,692,006.20/13,038,009.30 = 5,479,740.60/x
  3. Step 3: Cross multiply
    8,692,006.20x = 13,038,009.30 × 5,479,740.60
  4. Step 4: Simplify right side
    8,692,006.20x = 71,444,908,904,387.58
  5. Step 5: Solve for x
    x = 71,444,908,904,387.58/8,692,006.20
  6. Step 6: Final answer
    x = 8,219,610.90

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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.