Home / 20,681,466.39-31,026,851.28-6,305,987.34

Finding the Fourth Proportional to 20,681,466.39, 31,026,851.28 and 6,305,987.34

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Solution

The fourth proportional to 20,681,466.39, 31,026,851.28 and 6,305,987.34 is: 9,460,399.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,681,466.39 : 31,026,851.28 = 6,305,987.34 : x
  2. Step 2: Convert to fraction form
    20,681,466.39/31,026,851.28 = 6,305,987.34/x
  3. Step 3: Cross multiply
    20,681,466.39x = 31,026,851.28 × 6,305,987.34
  4. Step 4: Simplify right side
    20,681,466.39x = 195,654,931,371,742.81
  5. Step 5: Solve for x
    x = 195,654,931,371,742.81/20,681,466.39
  6. Step 6: Final answer
    x = 9,460,399.36

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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.