Home / 6,908,279.90-10,362,322.65-3,121,756.70

Finding the Fourth Proportional to 6,908,279.90, 10,362,322.65 and 3,121,756.70

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Solution

The fourth proportional to 6,908,279.90, 10,362,322.65 and 3,121,756.70 is: 4,682,591.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,908,279.90 : 10,362,322.65 = 3,121,756.70 : x
  2. Step 2: Convert to fraction form
    6,908,279.90/10,362,322.65 = 3,121,756.70/x
  3. Step 3: Cross multiply
    6,908,279.90x = 10,362,322.65 × 3,121,756.70
  4. Step 4: Simplify right side
    6,908,279.90x = 32,348,650,160,199.26
  5. Step 5: Solve for x
    x = 32,348,650,160,199.26/6,908,279.90
  6. Step 6: Final answer
    x = 4,682,591.13

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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.