Home / 31,681,340.51-47,542,001.63-13,485,506.63

Finding the Fourth Proportional to 31,681,340.51, 47,542,001.63 and 13,485,506.63

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Solution

The fourth proportional to 31,681,340.51, 47,542,001.63 and 13,485,506.63 is: 20,236,769.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,681,340.51 : 47,542,001.63 = 13,485,506.63 : x
  2. Step 2: Convert to fraction form
    31,681,340.51/47,542,001.63 = 13,485,506.63/x
  3. Step 3: Cross multiply
    31,681,340.51x = 47,542,001.63 × 13,485,506.63
  4. Step 4: Simplify right side
    31,681,340.51x = 641,127,977,879,698.25
  5. Step 5: Solve for x
    x = 641,127,977,879,698.25/31,681,340.51
  6. Step 6: Final answer
    x = 20,236,769.27

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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.