Home / 20,859,570.80-31,292,466.60-7,395,340.40

Finding the Fourth Proportional to 20,859,570.80, 31,292,466.60 and 7,395,340.40

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Solution

The fourth proportional to 20,859,570.80, 31,292,466.60 and 7,395,340.40 is: 11,094,113.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,859,570.80 : 31,292,466.60 = 7,395,340.40 : x
  2. Step 2: Convert to fraction form
    20,859,570.80/31,292,466.60 = 7,395,340.40/x
  3. Step 3: Cross multiply
    20,859,570.80x = 31,292,466.60 × 7,395,340.40
  4. Step 4: Simplify right side
    20,859,570.80x = 231,418,442,462,630.66
  5. Step 5: Solve for x
    x = 231,418,442,462,630.66/20,859,570.80
  6. Step 6: Final answer
    x = 11,094,113.33

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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.