Home / 13,566,671.66-18,723,623.82-7,767,316.28

Finding the Fourth Proportional to 13,566,671.66, 18,723,623.82 and 7,767,316.28

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Solution

The fourth proportional to 13,566,671.66, 18,723,623.82 and 7,767,316.28 is: 10,719,822.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,566,671.66 : 18,723,623.82 = 7,767,316.28 : x
  2. Step 2: Convert to fraction form
    13,566,671.66/18,723,623.82 = 7,767,316.28/x
  3. Step 3: Cross multiply
    13,566,671.66x = 18,723,623.82 × 7,767,316.28
  4. Step 4: Simplify right side
    13,566,671.66x = 145,432,308,135,363.41
  5. Step 5: Solve for x
    x = 145,432,308,135,363.41/13,566,671.66
  6. Step 6: Final answer
    x = 10,719,822.20

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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.