Home / 44,281,378.80-66,431,399.40-18,709,225.20

Finding the Fourth Proportional to 44,281,378.80, 66,431,399.40 and 18,709,225.20

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Solution

The fourth proportional to 44,281,378.80, 66,431,399.40 and 18,709,225.20 is: 28,067,780.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,281,378.80 : 66,431,399.40 = 18,709,225.20 : x
  2. Step 2: Convert to fraction form
    44,281,378.80/66,431,399.40 = 18,709,225.20/x
  3. Step 3: Cross multiply
    44,281,378.80x = 66,431,399.40 × 18,709,225.20
  4. Step 4: Simplify right side
    44,281,378.80x = 1,242,880,011,725,744.75
  5. Step 5: Solve for x
    x = 1,242,880,011,725,744.75/44,281,378.80
  6. Step 6: Final answer
    x = 28,067,780.30

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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.