Home / 12,845,535.12-17,727,082.07-7,043,970.87

Finding the Fourth Proportional to 12,845,535.12, 17,727,082.07 and 7,043,970.87

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Solution

The fourth proportional to 12,845,535.12, 17,727,082.07 and 7,043,970.87 is: 9,720,813.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,845,535.12 : 17,727,082.07 = 7,043,970.87 : x
  2. Step 2: Convert to fraction form
    12,845,535.12/17,727,082.07 = 7,043,970.87/x
  3. Step 3: Cross multiply
    12,845,535.12x = 17,727,082.07 × 7,043,970.87
  4. Step 4: Simplify right side
    12,845,535.12x = 124,869,049,675,959.45
  5. Step 5: Solve for x
    x = 124,869,049,675,959.45/12,845,535.12
  6. Step 6: Final answer
    x = 9,720,813.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.