Home / 8,322,218.40-12,462,332.40-6,642,602.40

Finding the Fourth Proportional to 8,322,218.40, 12,462,332.40 and 6,642,602.40

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Solution

The fourth proportional to 8,322,218.40, 12,462,332.40 and 6,642,602.40 is: 9,947,145.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,322,218.40 : 12,462,332.40 = 6,642,602.40 : x
  2. Step 2: Convert to fraction form
    8,322,218.40/12,462,332.40 = 6,642,602.40/x
  3. Step 3: Cross multiply
    8,322,218.40x = 12,462,332.40 × 6,642,602.40
  4. Step 4: Simplify right side
    8,322,218.40x = 82,782,319,109,837.77
  5. Step 5: Solve for x
    x = 82,782,319,109,837.77/8,322,218.40
  6. Step 6: Final answer
    x = 9,947,145.72

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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.