Home / 21,859,838.85-32,801,106.50-8,915,486.13

Finding the Fourth Proportional to 21,859,838.85, 32,801,106.50 and 8,915,486.13

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Solution

The fourth proportional to 21,859,838.85, 32,801,106.50 and 8,915,486.13 is: 13,377,857.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,859,838.85 : 32,801,106.50 = 8,915,486.13 : x
  2. Step 2: Convert to fraction form
    21,859,838.85/32,801,106.50 = 8,915,486.13/x
  3. Step 3: Cross multiply
    21,859,838.85x = 32,801,106.50 × 8,915,486.13
  4. Step 4: Simplify right side
    21,859,838.85x = 292,437,810,038,258.50
  5. Step 5: Solve for x
    x = 292,437,810,038,258.50/21,859,838.85
  6. Step 6: Final answer
    x = 13,377,857.54

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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.