Home / 14,207,813.20-21,294,223.80-9,658,853.20

Finding the Fourth Proportional to 14,207,813.20, 21,294,223.80 and 9,658,853.20

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Solution

The fourth proportional to 14,207,813.20, 21,294,223.80 and 9,658,853.20 is: 14,476,385.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,207,813.20 : 21,294,223.80 = 9,658,853.20 : x
  2. Step 2: Convert to fraction form
    14,207,813.20/21,294,223.80 = 9,658,853.20/x
  3. Step 3: Cross multiply
    14,207,813.20x = 21,294,223.80 × 9,658,853.20
  4. Step 4: Simplify right side
    14,207,813.20x = 205,677,781,692,146.16
  5. Step 5: Solve for x
    x = 205,677,781,692,146.16/14,207,813.20
  6. Step 6: Final answer
    x = 14,476,385.55

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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.