Home / 7,686,376.12-10,600,327.60-6,377,555.04

Finding the Fourth Proportional to 7,686,376.12, 10,600,327.60 and 6,377,555.04

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Solution

The fourth proportional to 7,686,376.12, 10,600,327.60 and 6,377,555.04 is: 8,795,324.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,686,376.12 : 10,600,327.60 = 6,377,555.04 : x
  2. Step 2: Convert to fraction form
    7,686,376.12/10,600,327.60 = 6,377,555.04/x
  3. Step 3: Cross multiply
    7,686,376.12x = 10,600,327.60 × 6,377,555.04
  4. Step 4: Simplify right side
    7,686,376.12x = 67,604,172,711,031.10
  5. Step 5: Solve for x
    x = 67,604,172,711,031.10/7,686,376.12
  6. Step 6: Final answer
    x = 8,795,324.57

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1.5x scale

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.