Home / 30,642,380.04-45,949,438.54-9,069,267.72

Finding the Fourth Proportional to 30,642,380.04, 45,949,438.54 and 9,069,267.72

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Solution

The fourth proportional to 30,642,380.04, 45,949,438.54 and 9,069,267.72 is: 13,599,719.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,642,380.04 : 45,949,438.54 = 9,069,267.72 : x
  2. Step 2: Convert to fraction form
    30,642,380.04/45,949,438.54 = 9,069,267.72/x
  3. Step 3: Cross multiply
    30,642,380.04x = 45,949,438.54 × 9,069,267.72
  4. Step 4: Simplify right side
    30,642,380.04x = 416,727,759,702,945.94
  5. Step 5: Solve for x
    x = 416,727,759,702,945.94/30,642,380.04
  6. Step 6: Final answer
    x = 13,599,719.05

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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.