Home / 7,790,681.56-11,739,199.43-6,401,849.08

Finding the Fourth Proportional to 7,790,681.56, 11,739,199.43 and 6,401,849.08

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Solution

The fourth proportional to 7,790,681.56, 11,739,199.43 and 6,401,849.08 is: 9,646,470.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790,681.56 : 11,739,199.43 = 6,401,849.08 : x
  2. Step 2: Convert to fraction form
    7,790,681.56/11,739,199.43 = 6,401,849.08/x
  3. Step 3: Cross multiply
    7,790,681.56x = 11,739,199.43 × 6,401,849.08
  4. Step 4: Simplify right side
    7,790,681.56x = 75,152,583,038,872.78
  5. Step 5: Solve for x
    x = 75,152,583,038,872.78/7,790,681.56
  6. Step 6: Final answer
    x = 9,646,470.91

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.