Home / 28,223,132.40-42,340,228.20-12,049,052.40

Finding the Fourth Proportional to 28,223,132.40, 42,340,228.20 and 12,049,052.40

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Solution

The fourth proportional to 28,223,132.40, 42,340,228.20 and 12,049,052.40 is: 18,075,939.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,223,132.40 : 42,340,228.20 = 12,049,052.40 : x
  2. Step 2: Convert to fraction form
    28,223,132.40/42,340,228.20 = 12,049,052.40/x
  3. Step 3: Cross multiply
    28,223,132.40x = 42,340,228.20 × 12,049,052.40
  4. Step 4: Simplify right side
    28,223,132.40x = 510,159,628,209,757.75
  5. Step 5: Solve for x
    x = 510,159,628,209,757.75/28,223,132.40
  6. Step 6: Final answer
    x = 18,075,939.30

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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.