Home / 6,869,977.28-9,480,130.08-3,814,190.72

Finding the Fourth Proportional to 6,869,977.28, 9,480,130.08 and 3,814,190.72

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Solution

The fourth proportional to 6,869,977.28, 9,480,130.08 and 3,814,190.72 is: 5,263,339.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,869,977.28 : 9,480,130.08 = 3,814,190.72 : x
  2. Step 2: Convert to fraction form
    6,869,977.28/9,480,130.08 = 3,814,190.72/x
  3. Step 3: Cross multiply
    6,869,977.28x = 9,480,130.08 × 3,814,190.72
  4. Step 4: Simplify right side
    6,869,977.28x = 36,159,024,175,528.86
  5. Step 5: Solve for x
    x = 36,159,024,175,528.86/6,869,977.28
  6. Step 6: Final answer
    x = 5,263,339.70

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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.