Home / 12,080,641.20-16,671,287.72-6,648,133.20

Finding the Fourth Proportional to 12,080,641.20, 16,671,287.72 and 6,648,133.20

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Solution

The fourth proportional to 12,080,641.20, 16,671,287.72 and 6,648,133.20 is: 9,174,425.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,080,641.20 : 16,671,287.72 = 6,648,133.20 : x
  2. Step 2: Convert to fraction form
    12,080,641.20/16,671,287.72 = 6,648,133.20/x
  3. Step 3: Cross multiply
    12,080,641.20x = 16,671,287.72 × 6,648,133.20
  4. Step 4: Simplify right side
    12,080,641.20x = 110,832,941,378,084.31
  5. Step 5: Solve for x
    x = 110,832,941,378,084.31/12,080,641.20
  6. Step 6: Final answer
    x = 9,174,425.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.