Home / 19,418,090.71-29,131,878.34-6,464,216.33

Finding the Fourth Proportional to 19,418,090.71, 29,131,878.34 and 6,464,216.33

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Solution

The fourth proportional to 19,418,090.71, 29,131,878.34 and 6,464,216.33 is: 9,697,903.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,418,090.71 : 29,131,878.34 = 6,464,216.33 : x
  2. Step 2: Convert to fraction form
    19,418,090.71/29,131,878.34 = 6,464,216.33/x
  3. Step 3: Cross multiply
    19,418,090.71x = 29,131,878.34 × 6,464,216.33
  4. Step 4: Simplify right side
    19,418,090.71x = 188,314,763,689,001.28
  5. Step 5: Solve for x
    x = 188,314,763,689,001.28/19,418,090.71
  6. Step 6: Final answer
    x = 9,697,903.18

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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.