Home / 7,957,839-10,956,638.16-7,230,510.84

Finding the Fourth Proportional to 7,957,839, 10,956,638.16 and 7,230,510.84

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Solution

The fourth proportional to 7,957,839, 10,956,638.16 and 7,230,510.84 is: 9,955,226.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,957,839 : 10,956,638.16 = 7,230,510.84 : x
  2. Step 2: Convert to fraction form
    7,957,839/10,956,638.16 = 7,230,510.84/x
  3. Step 3: Cross multiply
    7,957,839x = 10,956,638.16 × 7,230,510.84
  4. Step 4: Simplify right side
    7,957,839x = 79,222,090,985,837.66
  5. Step 5: Solve for x
    x = 79,222,090,985,837.66/7,957,839
  6. Step 6: Final answer
    x = 9,955,226.66

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1.5x scale

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.