Home / 12,012,430.56-16,577,161.20-6,580,013.28

Finding the Fourth Proportional to 12,012,430.56, 16,577,161.20 and 6,580,013.28

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Solution

The fourth proportional to 12,012,430.56, 16,577,161.20 and 6,580,013.28 is: 9,080,422.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,012,430.56 : 16,577,161.20 = 6,580,013.28 : x
  2. Step 2: Convert to fraction form
    12,012,430.56/16,577,161.20 = 6,580,013.28/x
  3. Step 3: Cross multiply
    12,012,430.56x = 16,577,161.20 × 6,580,013.28
  4. Step 4: Simplify right side
    12,012,430.56x = 109,077,940,840,700.73
  5. Step 5: Solve for x
    x = 109,077,940,840,700.73/12,012,430.56
  6. Step 6: Final answer
    x = 9,080,422.18

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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.