Home / 8,958,589.32-13,372,482.93-7,687,365.90

Finding the Fourth Proportional to 8,958,589.32, 13,372,482.93 and 7,687,365.90

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Solution

The fourth proportional to 8,958,589.32, 13,372,482.93 and 7,687,365.90 is: 11,474,928.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958,589.32 : 13,372,482.93 = 7,687,365.90 : x
  2. Step 2: Convert to fraction form
    8,958,589.32/13,372,482.93 = 7,687,365.90/x
  3. Step 3: Cross multiply
    8,958,589.32x = 13,372,482.93 × 7,687,365.90
  4. Step 4: Simplify right side
    8,958,589.32x = 102,799,169,313,901.31
  5. Step 5: Solve for x
    x = 102,799,169,313,901.31/8,958,589.32
  6. Step 6: Final answer
    x = 11,474,928.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.