Home / 7,216,398.72-9,956,287.08-4,920,573.60

Finding the Fourth Proportional to 7,216,398.72, 9,956,287.08 and 4,920,573.60

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Solution

The fourth proportional to 7,216,398.72, 9,956,287.08 and 4,920,573.60 is: 6,788,793.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216,398.72 : 9,956,287.08 = 4,920,573.60 : x
  2. Step 2: Convert to fraction form
    7,216,398.72/9,956,287.08 = 4,920,573.60/x
  3. Step 3: Cross multiply
    7,216,398.72x = 9,956,287.08 × 4,920,573.60
  4. Step 4: Simplify right side
    7,216,398.72x = 48,990,643,359,869.09
  5. Step 5: Solve for x
    x = 48,990,643,359,869.09/7,216,398.72
  6. Step 6: Final answer
    x = 6,788,793.87

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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.