Home / 8,877,663.07-12,247,689.20-5,155,860.49

Finding the Fourth Proportional to 8,877,663.07, 12,247,689.20 and 5,155,860.49

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Solution

The fourth proportional to 8,877,663.07, 12,247,689.20 and 5,155,860.49 is: 7,113,063.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877,663.07 : 12,247,689.20 = 5,155,860.49 : x
  2. Step 2: Convert to fraction form
    8,877,663.07/12,247,689.20 = 5,155,860.49/x
  3. Step 3: Cross multiply
    8,877,663.07x = 12,247,689.20 × 5,155,860.49
  4. Step 4: Simplify right side
    8,877,663.07x = 63,147,376,840,079.70
  5. Step 5: Solve for x
    x = 63,147,376,840,079.70/8,877,663.07
  6. Step 6: Final answer
    x = 7,113,063.01

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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.