Home / 12,478,731.30-18,702,350.55-6,075,195.30

Finding the Fourth Proportional to 12,478,731.30, 18,702,350.55 and 6,075,195.30

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Solution

The fourth proportional to 12,478,731.30, 18,702,350.55 and 6,075,195.30 is: 9,105,126.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,478,731.30 : 18,702,350.55 = 6,075,195.30 : x
  2. Step 2: Convert to fraction form
    12,478,731.30/18,702,350.55 = 6,075,195.30/x
  3. Step 3: Cross multiply
    12,478,731.30x = 18,702,350.55 × 6,075,195.30
  4. Step 4: Simplify right side
    12,478,731.30x = 113,620,432,160,312.42
  5. Step 5: Solve for x
    x = 113,620,432,160,312.42/12,478,731.30
  6. Step 6: Final answer
    x = 9,105,126.91

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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.