Home / 7,242,907.10-10,865,672.85-3,639,605.90

Finding the Fourth Proportional to 7,242,907.10, 10,865,672.85 and 3,639,605.90

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Solution

The fourth proportional to 7,242,907.10, 10,865,672.85 and 3,639,605.90 is: 5,460,068.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242,907.10 : 10,865,672.85 = 3,639,605.90 : x
  2. Step 2: Convert to fraction form
    7,242,907.10/10,865,672.85 = 3,639,605.90/x
  3. Step 3: Cross multiply
    7,242,907.10x = 10,865,672.85 × 3,639,605.90
  4. Step 4: Simplify right side
    7,242,907.10x = 39,546,767,012,329.81
  5. Step 5: Solve for x
    x = 39,546,767,012,329.81/7,242,907.10
  6. Step 6: Final answer
    x = 5,460,068.24

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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.