Home / 13,105,271.10-19,657,906.65-9,278,895.90

Finding the Fourth Proportional to 13,105,271.10, 19,657,906.65 and 9,278,895.90

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Solution

The fourth proportional to 13,105,271.10, 19,657,906.65 and 9,278,895.90 is: 13,918,343.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,105,271.10 : 19,657,906.65 = 9,278,895.90 : x
  2. Step 2: Convert to fraction form
    13,105,271.10/19,657,906.65 = 9,278,895.90/x
  3. Step 3: Cross multiply
    13,105,271.10x = 19,657,906.65 × 9,278,895.90
  4. Step 4: Simplify right side
    13,105,271.10x = 182,403,669,417,267.72
  5. Step 5: Solve for x
    x = 182,403,669,417,267.72/13,105,271.10
  6. Step 6: Final answer
    x = 13,918,343.85

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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.