Home / 8,132,664.80-12,185,000.40-5,291,314.40

Finding the Fourth Proportional to 8,132,664.80, 12,185,000.40 and 5,291,314.40

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Solution

The fourth proportional to 8,132,664.80, 12,185,000.40 and 5,291,314.40 is: 7,927,864.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132,664.80 : 12,185,000.40 = 5,291,314.40 : x
  2. Step 2: Convert to fraction form
    8,132,664.80/12,185,000.40 = 5,291,314.40/x
  3. Step 3: Cross multiply
    8,132,664.80x = 12,185,000.40 × 5,291,314.40
  4. Step 4: Simplify right side
    8,132,664.80x = 64,474,668,080,525.77
  5. Step 5: Solve for x
    x = 64,474,668,080,525.77/8,132,664.80
  6. Step 6: Final answer
    x = 7,927,864.93

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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.