Home / 7,978,095.65-11,971,561.22-4,947,088.61

Finding the Fourth Proportional to 7,978,095.65, 11,971,561.22 and 4,947,088.61

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Solution

The fourth proportional to 7,978,095.65, 11,971,561.22 and 4,947,088.61 is: 7,423,372.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,978,095.65 : 11,971,561.22 = 4,947,088.61 : x
  2. Step 2: Convert to fraction form
    7,978,095.65/11,971,561.22 = 4,947,088.61/x
  3. Step 3: Cross multiply
    7,978,095.65x = 11,971,561.22 × 4,947,088.61
  4. Step 4: Simplify right side
    7,978,095.65x = 59,224,374,070,786.46
  5. Step 5: Solve for x
    x = 59,224,374,070,786.46/7,978,095.65
  6. Step 6: Final answer
    x = 7,423,372.28

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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.