Home / 12,101,496.30-18,151,807.05-4,912,827.30

Finding the Fourth Proportional to 12,101,496.30, 18,151,807.05 and 4,912,827.30

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Solution

The fourth proportional to 12,101,496.30, 18,151,807.05 and 4,912,827.30 is: 7,369,063.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101,496.30 : 18,151,807.05 = 4,912,827.30 : x
  2. Step 2: Convert to fraction form
    12,101,496.30/18,151,807.05 = 4,912,827.30/x
  3. Step 3: Cross multiply
    12,101,496.30x = 18,151,807.05 × 4,912,827.30
  4. Step 4: Simplify right side
    12,101,496.30x = 89,176,693,219,572.47
  5. Step 5: Solve for x
    x = 89,176,693,219,572.47/12,101,496.30
  6. Step 6: Final answer
    x = 7,369,063.38

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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.