Home / 7,039,995.50-9,715,193.80-3,820,731.50

Finding the Fourth Proportional to 7,039,995.50, 9,715,193.80 and 3,820,731.50

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Solution

The fourth proportional to 7,039,995.50, 9,715,193.80 and 3,820,731.50 is: 5,272,609.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039,995.50 : 9,715,193.80 = 3,820,731.50 : x
  2. Step 2: Convert to fraction form
    7,039,995.50/9,715,193.80 = 3,820,731.50/x
  3. Step 3: Cross multiply
    7,039,995.50x = 9,715,193.80 × 3,820,731.50
  4. Step 4: Simplify right side
    7,039,995.50x = 37,119,146,980,264.70
  5. Step 5: Solve for x
    x = 37,119,146,980,264.70/7,039,995.50
  6. Step 6: Final answer
    x = 5,272,609.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.