Home / 13,114,061.55-19,671,092.33-12,547,191.15

Finding the Fourth Proportional to 13,114,061.55, 19,671,092.33 and 12,547,191.15

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Solution

The fourth proportional to 13,114,061.55, 19,671,092.33 and 12,547,191.15 is: 18,820,786.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,114,061.55 : 19,671,092.33 = 12,547,191.15 : x
  2. Step 2: Convert to fraction form
    13,114,061.55/19,671,092.33 = 12,547,191.15/x
  3. Step 3: Cross multiply
    13,114,061.55x = 19,671,092.33 × 12,547,191.15
  4. Step 4: Simplify right side
    13,114,061.55x = 246,816,955,531,072.91
  5. Step 5: Solve for x
    x = 246,816,955,531,072.91/13,114,061.55
  6. Step 6: Final answer
    x = 18,820,786.73

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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.