Home / 8,309,305.46-12,438,417.46-7,083,482.40

Finding the Fourth Proportional to 8,309,305.46, 12,438,417.46 and 7,083,482.40

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Solution

The fourth proportional to 8,309,305.46, 12,438,417.46 and 7,083,482.40 is: 10,603,450.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309,305.46 : 12,438,417.46 = 7,083,482.40 : x
  2. Step 2: Convert to fraction form
    8,309,305.46/12,438,417.46 = 7,083,482.40/x
  3. Step 3: Cross multiply
    8,309,305.46x = 12,438,417.46 × 7,083,482.40
  4. Step 4: Simplify right side
    8,309,305.46x = 88,107,311,161,762.72
  5. Step 5: Solve for x
    x = 88,107,311,161,762.72/8,309,305.46
  6. Step 6: Final answer
    x = 10,603,450.74

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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.