Home / 12,679,351.95-19,019,816.88-4,592,397.65

Finding the Fourth Proportional to 12,679,351.95, 19,019,816.88 and 4,592,397.65

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Solution

The fourth proportional to 12,679,351.95, 19,019,816.88 and 4,592,397.65 is: 6,888,882.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,679,351.95 : 19,019,816.88 = 4,592,397.65 : x
  2. Step 2: Convert to fraction form
    12,679,351.95/19,019,816.88 = 4,592,397.65/x
  3. Step 3: Cross multiply
    12,679,351.95x = 19,019,816.88 × 4,592,397.65
  4. Step 4: Simplify right side
    12,679,351.95x = 87,346,562,248,043.23
  5. Step 5: Solve for x
    x = 87,346,562,248,043.23/12,679,351.95
  6. Step 6: Final answer
    x = 6,888,882.22

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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.