Home / 12,672,159.65-19,008,395.00-8,381,673.89

Finding the Fourth Proportional to 12,672,159.65, 19,008,395.00 and 8,381,673.89

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Solution

The fourth proportional to 12,672,159.65, 19,008,395.00 and 8,381,673.89 is: 12,572,613.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672,159.65 : 19,008,395.00 = 8,381,673.89 : x
  2. Step 2: Convert to fraction form
    12,672,159.65/19,008,395.00 = 8,381,673.89/x
  3. Step 3: Cross multiply
    12,672,159.65x = 19,008,395.00 × 8,381,673.89
  4. Step 4: Simplify right side
    12,672,159.65x = 159,322,168,020,398.19
  5. Step 5: Solve for x
    x = 159,322,168,020,398.19/12,672,159.65
  6. Step 6: Final answer
    x = 12,572,613.70

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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.