Home / 12,226,681.95-18,338,898.43-4,138,733.13

Finding the Fourth Proportional to 12,226,681.95, 18,338,898.43 and 4,138,733.13

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Solution

The fourth proportional to 12,226,681.95, 18,338,898.43 and 4,138,733.13 is: 6,207,719.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226,681.95 : 18,338,898.43 = 4,138,733.13 : x
  2. Step 2: Convert to fraction form
    12,226,681.95/18,338,898.43 = 4,138,733.13/x
  3. Step 3: Cross multiply
    12,226,681.95x = 18,338,898.43 × 4,138,733.13
  4. Step 4: Simplify right side
    12,226,681.95x = 75,899,806,499,945.98
  5. Step 5: Solve for x
    x = 75,899,806,499,945.98/12,226,681.95
  6. Step 6: Final answer
    x = 6,207,719.05

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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.