Home / 30,642,381.04-45,949,440.04-9,069,268.72

Finding the Fourth Proportional to 30,642,381.04, 45,949,440.04 and 9,069,268.72

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Solution

The fourth proportional to 30,642,381.04, 45,949,440.04 and 9,069,268.72 is: 13,599,720.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,642,381.04 : 45,949,440.04 = 9,069,268.72 : x
  2. Step 2: Convert to fraction form
    30,642,381.04/45,949,440.04 = 9,069,268.72/x
  3. Step 3: Cross multiply
    30,642,381.04x = 45,949,440.04 × 9,069,268.72
  4. Step 4: Simplify right side
    30,642,381.04x = 416,727,819,256,287.56
  5. Step 5: Solve for x
    x = 416,727,819,256,287.56/30,642,381.04
  6. Step 6: Final answer
    x = 13,599,720.55

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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.