Home / 7,916,999.40-11,861,502.30-7,021,204.20

Finding the Fourth Proportional to 7,916,999.40, 11,861,502.30 and 7,021,204.20

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Solution

The fourth proportional to 7,916,999.40, 11,861,502.30 and 7,021,204.20 is: 10,519,393.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916,999.40 : 11,861,502.30 = 7,021,204.20 : x
  2. Step 2: Convert to fraction form
    7,916,999.40/11,861,502.30 = 7,021,204.20/x
  3. Step 3: Cross multiply
    7,916,999.40x = 11,861,502.30 × 7,021,204.20
  4. Step 4: Simplify right side
    7,916,999.40x = 83,282,029,767,069.67
  5. Step 5: Solve for x
    x = 83,282,029,767,069.67/7,916,999.40
  6. Step 6: Final answer
    x = 10,519,393.21

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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.