Home / 10,257,454.95-14,138,864.33-6,948,742.65

Finding the Fourth Proportional to 10,257,454.95, 14,138,864.33 and 6,948,742.65

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Solution

The fourth proportional to 10,257,454.95, 14,138,864.33 and 6,948,742.65 is: 9,578,139.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257,454.95 : 14,138,864.33 = 6,948,742.65 : x
  2. Step 2: Convert to fraction form
    10,257,454.95/14,138,864.33 = 6,948,742.65/x
  3. Step 3: Cross multiply
    10,257,454.95x = 14,138,864.33 × 6,948,742.65
  4. Step 4: Simplify right side
    10,257,454.95x = 98,247,329,543,756.89
  5. Step 5: Solve for x
    x = 98,247,329,543,756.89/10,257,454.95
  6. Step 6: Final answer
    x = 9,578,139.03

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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.