Home / 7,175,384.04-9,902,107.42-3,912,172.30

Finding the Fourth Proportional to 7,175,384.04, 9,902,107.42 and 3,912,172.30

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Solution

The fourth proportional to 7,175,384.04, 9,902,107.42 and 3,912,172.30 is: 5,398,840.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175,384.04 : 9,902,107.42 = 3,912,172.30 : x
  2. Step 2: Convert to fraction form
    7,175,384.04/9,902,107.42 = 3,912,172.30/x
  3. Step 3: Cross multiply
    7,175,384.04x = 9,902,107.42 × 3,912,172.30
  4. Step 4: Simplify right side
    7,175,384.04x = 38,738,750,360,148.46
  5. Step 5: Solve for x
    x = 38,738,750,360,148.46/7,175,384.04
  6. Step 6: Final answer
    x = 5,398,840.00

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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.