Home / 7,990,398.54-11,989,534.41-4,956,985.80

Finding the Fourth Proportional to 7,990,398.54, 11,989,534.41 and 4,956,985.80

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Solution

The fourth proportional to 7,990,398.54, 11,989,534.41 and 4,956,985.80 is: 7,437,920.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990,398.54 : 11,989,534.41 = 4,956,985.80 : x
  2. Step 2: Convert to fraction form
    7,990,398.54/11,989,534.41 = 4,956,985.80/x
  3. Step 3: Cross multiply
    7,990,398.54x = 11,989,534.41 × 4,956,985.80
  4. Step 4: Simplify right side
    7,990,398.54x = 59,431,951,818,981.38
  5. Step 5: Solve for x
    x = 59,431,951,818,981.38/7,990,398.54
  6. Step 6: Final answer
    x = 7,437,920.84

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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.