Home / 10,106,538.30-15,159,807.45-8,512,215.30

Finding the Fourth Proportional to 10,106,538.30, 15,159,807.45 and 8,512,215.30

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Solution

The fourth proportional to 10,106,538.30, 15,159,807.45 and 8,512,215.30 is: 12,768,322.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106,538.30 : 15,159,807.45 = 8,512,215.30 : x
  2. Step 2: Convert to fraction form
    10,106,538.30/15,159,807.45 = 8,512,215.30/x
  3. Step 3: Cross multiply
    10,106,538.30x = 15,159,807.45 × 8,512,215.30
  4. Step 4: Simplify right side
    10,106,538.30x = 129,043,544,920,943.98
  5. Step 5: Solve for x
    x = 129,043,544,920,943.98/10,106,538.30
  6. Step 6: Final answer
    x = 12,768,322.95

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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.