Home / 10,285,340.16-15,428,502.30-8,484,885.12

Finding the Fourth Proportional to 10,285,340.16, 15,428,502.30 and 8,484,885.12

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Solution

The fourth proportional to 10,285,340.16, 15,428,502.30 and 8,484,885.12 is: 12,727,733.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,285,340.16 : 15,428,502.30 = 8,484,885.12 : x
  2. Step 2: Convert to fraction form
    10,285,340.16/15,428,502.30 = 8,484,885.12/x
  3. Step 3: Cross multiply
    10,285,340.16x = 15,428,502.30 × 8,484,885.12
  4. Step 4: Simplify right side
    10,285,340.16x = 130,909,069,589,155.77
  5. Step 5: Solve for x
    x = 130,909,069,589,155.77/10,285,340.16
  6. Step 6: Final answer
    x = 12,727,733.60

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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.