Home / 6,908,813.90-10,360,110.45-3,120,346.70

Finding the Fourth Proportional to 6,908,813.90, 10,360,110.45 and 3,120,346.70

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Solution

The fourth proportional to 6,908,813.90, 10,360,110.45 and 3,120,346.70 is: 4,679,115.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,908,813.90 : 10,360,110.45 = 3,120,346.70 : x
  2. Step 2: Convert to fraction form
    6,908,813.90/10,360,110.45 = 3,120,346.70/x
  3. Step 3: Cross multiply
    6,908,813.90x = 10,360,110.45 × 3,120,346.70
  4. Step 4: Simplify right side
    6,908,813.90x = 32,327,136,454,293.02
  5. Step 5: Solve for x
    x = 32,327,136,454,293.02/6,908,813.90
  6. Step 6: Final answer
    x = 4,679,115.25

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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.