Home / 7,117,823.86-9,822,545.58-3,854,562.89

Finding the Fourth Proportional to 7,117,823.86, 9,822,545.58 and 3,854,562.89

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Solution

The fourth proportional to 7,117,823.86, 9,822,545.58 and 3,854,562.89 is: 5,319,268.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117,823.86 : 9,822,545.58 = 3,854,562.89 : x
  2. Step 2: Convert to fraction form
    7,117,823.86/9,822,545.58 = 3,854,562.89/x
  3. Step 3: Cross multiply
    7,117,823.86x = 9,822,545.58 × 3,854,562.89
  4. Step 4: Simplify right side
    7,117,823.86x = 37,861,619,628,888.80
  5. Step 5: Solve for x
    x = 37,861,619,628,888.80/7,117,823.86
  6. Step 6: Final answer
    x = 5,319,268.98

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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.