Home / 15,859,217.52-21,885,295-9,333,231.40

Finding the Fourth Proportional to 15,859,217.52, 21,885,295 and 9,333,231.40

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Solution

The fourth proportional to 15,859,217.52, 21,885,295 and 9,333,231.40 is: 12,879,609.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,859,217.52 : 21,885,295 = 9,333,231.40 : x
  2. Step 2: Convert to fraction form
    15,859,217.52/21,885,295 = 9,333,231.40/x
  3. Step 3: Cross multiply
    15,859,217.52x = 21,885,295 × 9,333,231.40
  4. Step 4: Simplify right side
    15,859,217.52x = 204,260,522,492,263
  5. Step 5: Solve for x
    x = 204,260,522,492,263/15,859,217.52
  6. Step 6: Final answer
    x = 12,879,609.11

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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.