Home / 34,307,318.40-47,345,643.36-20,555,987.04

Finding the Fourth Proportional to 34,307,318.40, 47,345,643.36 and 20,555,987.04

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Solution

The fourth proportional to 34,307,318.40, 47,345,643.36 and 20,555,987.04 is: 28,368,187.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,307,318.40 : 47,345,643.36 = 20,555,987.04 : x
  2. Step 2: Convert to fraction form
    34,307,318.40/47,345,643.36 = 20,555,987.04/x
  3. Step 3: Cross multiply
    34,307,318.40x = 47,345,643.36 × 20,555,987.04
  4. Step 4: Simplify right side
    34,307,318.40x = 973,236,431,308,622
  5. Step 5: Solve for x
    x = 973,236,431,308,622/34,307,318.40
  6. Step 6: Final answer
    x = 28,368,187.22

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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.