Home / 7,338,785.20-10,997,680.20-5,404,602.40

Finding the Fourth Proportional to 7,338,785.20, 10,997,680.20 and 5,404,602.40

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Solution

The fourth proportional to 7,338,785.20, 10,997,680.20 and 5,404,602.40 is: 8,099,172.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338,785.20 : 10,997,680.20 = 5,404,602.40 : x
  2. Step 2: Convert to fraction form
    7,338,785.20/10,997,680.20 = 5,404,602.40/x
  3. Step 3: Cross multiply
    7,338,785.20x = 10,997,680.20 × 5,404,602.40
  4. Step 4: Simplify right side
    7,338,785.20x = 59,438,088,803,352.48
  5. Step 5: Solve for x
    x = 59,438,088,803,352.48/7,338,785.20
  6. Step 6: Final answer
    x = 8,099,172.71

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1.5x scale

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.