Home / 12,011,643-18,017,459.92-4,823,174.76

Finding the Fourth Proportional to 12,011,643, 18,017,459.92 and 4,823,174.76

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Solution

The fourth proportional to 12,011,643, 18,017,459.92 and 4,823,174.76 is: 7,234,760.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,011,643 : 18,017,459.92 = 4,823,174.76 : x
  2. Step 2: Convert to fraction form
    12,011,643/18,017,459.92 = 4,823,174.76/x
  3. Step 3: Cross multiply
    12,011,643x = 18,017,459.92 × 4,823,174.76
  4. Step 4: Simplify right side
    12,011,643x = 86,901,357,925,455.62
  5. Step 5: Solve for x
    x = 86,901,357,925,455.62/12,011,643
  6. Step 6: Final answer
    x = 7,234,760.30

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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.