Home / 31,065,527.90-42,860,928.26-18,010,181.28

Finding the Fourth Proportional to 31,065,527.90, 42,860,928.26 and 18,010,181.28

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Solution

The fourth proportional to 31,065,527.90, 42,860,928.26 and 18,010,181.28 is: 24,848,542.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,065,527.90 : 42,860,928.26 = 18,010,181.28 : x
  2. Step 2: Convert to fraction form
    31,065,527.90/42,860,928.26 = 18,010,181.28/x
  3. Step 3: Cross multiply
    31,065,527.90x = 42,860,928.26 × 18,010,181.28
  4. Step 4: Simplify right side
    31,065,527.90x = 771,933,087,701,624.12
  5. Step 5: Solve for x
    x = 771,933,087,701,624.12/31,065,527.90
  6. Step 6: Final answer
    x = 24,848,542.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.