Home / 21,167,055.40-29,223,058.58-13,333,282.92

Finding the Fourth Proportional to 21,167,055.40, 29,223,058.58 and 13,333,282.92

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Solution

The fourth proportional to 21,167,055.40, 29,223,058.58 and 13,333,282.92 is: 18,407,818.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,167,055.40 : 29,223,058.58 = 13,333,282.92 : x
  2. Step 2: Convert to fraction form
    21,167,055.40/29,223,058.58 = 13,333,282.92/x
  3. Step 3: Cross multiply
    21,167,055.40x = 29,223,058.58 × 13,333,282.92
  4. Step 4: Simplify right side
    21,167,055.40x = 389,639,307,834,873.44
  5. Step 5: Solve for x
    x = 389,639,307,834,873.44/21,167,055.40
  6. Step 6: Final answer
    x = 18,407,818.21

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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.