Home / 30,642,379.54-45,949,437.79-9,069,267.22

Finding the Fourth Proportional to 30,642,379.54, 45,949,437.79 and 9,069,267.22

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Solution

The fourth proportional to 30,642,379.54, 45,949,437.79 and 9,069,267.22 is: 13,599,718.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,642,379.54 : 45,949,437.79 = 9,069,267.22 : x
  2. Step 2: Convert to fraction form
    30,642,379.54/45,949,437.79 = 9,069,267.22/x
  3. Step 3: Cross multiply
    30,642,379.54x = 45,949,437.79 × 9,069,267.22
  4. Step 4: Simplify right side
    30,642,379.54x = 416,727,729,926,276.25
  5. Step 5: Solve for x
    x = 416,727,729,926,276.25/30,642,379.54
  6. Step 6: Final answer
    x = 13,599,718.30

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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.