Home / 12,996,862.95-17,936,332.23-7,196,282.85

Finding the Fourth Proportional to 12,996,862.95, 17,936,332.23 and 7,196,282.85

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Solution

The fourth proportional to 12,996,862.95, 17,936,332.23 and 7,196,282.85 is: 9,931,236.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,996,862.95 : 17,936,332.23 = 7,196,282.85 : x
  2. Step 2: Convert to fraction form
    12,996,862.95/17,936,332.23 = 7,196,282.85/x
  3. Step 3: Cross multiply
    12,996,862.95x = 17,936,332.23 × 7,196,282.85
  4. Step 4: Simplify right side
    12,996,862.95x = 129,074,920,018,651.25
  5. Step 5: Solve for x
    x = 129,074,920,018,651.25/12,996,862.95
  6. Step 6: Final answer
    x = 9,931,236.52

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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.