Home / 19,170,913.65-28,755,390.12-7,039,444.22

Finding the Fourth Proportional to 19,170,913.65, 28,755,390.12 and 7,039,444.22

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Solution

The fourth proportional to 19,170,913.65, 28,755,390.12 and 7,039,444.22 is: 10,558,806.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,170,913.65 : 28,755,390.12 = 7,039,444.22 : x
  2. Step 2: Convert to fraction form
    19,170,913.65/28,755,390.12 = 7,039,444.22/x
  3. Step 3: Cross multiply
    19,170,913.65x = 28,755,390.12 × 7,039,444.22
  4. Step 4: Simplify right side
    19,170,913.65x = 202,421,964,711,736.97
  5. Step 5: Solve for x
    x = 202,421,964,711,736.97/19,170,913.65
  6. Step 6: Final answer
    x = 10,558,806.35

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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.