Home / 10,405,930.60-15,608,895.90-7,376,716.90

Finding the Fourth Proportional to 10,405,930.60, 15,608,895.90 and 7,376,716.90

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Solution

The fourth proportional to 10,405,930.60, 15,608,895.90 and 7,376,716.90 is: 11,065,075.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,405,930.60 : 15,608,895.90 = 7,376,716.90 : x
  2. Step 2: Convert to fraction form
    10,405,930.60/15,608,895.90 = 7,376,716.90/x
  3. Step 3: Cross multiply
    10,405,930.60x = 15,608,895.90 × 7,376,716.90
  4. Step 4: Simplify right side
    10,405,930.60x = 115,142,406,175,870.72
  5. Step 5: Solve for x
    x = 115,142,406,175,870.72/10,405,930.60
  6. Step 6: Final answer
    x = 11,065,075.35

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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.