Home / 7,170,320.02-9,894,914.13-3,907,157.62

Finding the Fourth Proportional to 7,170,320.02, 9,894,914.13 and 3,907,157.62

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Solution

The fourth proportional to 7,170,320.02, 9,894,914.13 and 3,907,157.62 is: 5,391,808.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,170,320.02 : 9,894,914.13 = 3,907,157.62 : x
  2. Step 2: Convert to fraction form
    7,170,320.02/9,894,914.13 = 3,907,157.62/x
  3. Step 3: Cross multiply
    7,170,320.02x = 9,894,914.13 × 3,907,157.62
  4. Step 4: Simplify right side
    7,170,320.02x = 38,660,989,142,275.17
  5. Step 5: Solve for x
    x = 38,660,989,142,275.17/7,170,320.02
  6. Step 6: Final answer
    x = 5,391,808.04

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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.