Home / 12,525,417.12-18,756,231.02-8,252,631.48

Finding the Fourth Proportional to 12,525,417.12, 18,756,231.02 and 8,252,631.48

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Solution

The fourth proportional to 12,525,417.12, 18,756,231.02 and 8,252,631.48 is: 12,357,932.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,525,417.12 : 18,756,231.02 = 8,252,631.48 : x
  2. Step 2: Convert to fraction form
    12,525,417.12/18,756,231.02 = 8,252,631.48/x
  3. Step 3: Cross multiply
    12,525,417.12x = 18,756,231.02 × 8,252,631.48
  4. Step 4: Simplify right side
    12,525,417.12x = 154,788,262,520,541.38
  5. Step 5: Solve for x
    x = 154,788,262,520,541.38/12,525,417.12
  6. Step 6: Final answer
    x = 12,357,932.76

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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.