Home / 8,537,617.12-12,807,322.80-2,780,799.04

Finding the Fourth Proportional to 8,537,617.12, 12,807,322.80 and 2,780,799.04

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Solution

The fourth proportional to 8,537,617.12, 12,807,322.80 and 2,780,799.04 is: 4,171,490.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,537,617.12 : 12,807,322.80 = 2,780,799.04 : x
  2. Step 2: Convert to fraction form
    8,537,617.12/12,807,322.80 = 2,780,799.04/x
  3. Step 3: Cross multiply
    8,537,617.12x = 12,807,322.80 × 2,780,799.04
  4. Step 4: Simplify right side
    8,537,617.12x = 35,614,590,947,210.12
  5. Step 5: Solve for x
    x = 35,614,590,947,210.12/8,537,617.12
  6. Step 6: Final answer
    x = 4,171,490.76

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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.