Home / 7,478,506.80-11,217,760.20-4,785,872.40

Finding the Fourth Proportional to 7,478,506.80, 11,217,760.20 and 4,785,872.40

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Solution

The fourth proportional to 7,478,506.80, 11,217,760.20 and 4,785,872.40 is: 7,178,808.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,478,506.80 : 11,217,760.20 = 4,785,872.40 : x
  2. Step 2: Convert to fraction form
    7,478,506.80/11,217,760.20 = 4,785,872.40/x
  3. Step 3: Cross multiply
    7,478,506.80x = 11,217,760.20 × 4,785,872.40
  4. Step 4: Simplify right side
    7,478,506.80x = 53,686,768,930,998.48
  5. Step 5: Solve for x
    x = 53,686,768,930,998.48/7,478,506.80
  6. Step 6: Final answer
    x = 7,178,808.60

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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.