Home / 21,253,567.77-31,865,559.75-9,416,273.09

Finding the Fourth Proportional to 21,253,567.77, 31,865,559.75 and 9,416,273.09

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Solution

The fourth proportional to 21,253,567.77, 31,865,559.75 and 9,416,273.09 is: 14,117,856.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,253,567.77 : 31,865,559.75 = 9,416,273.09 : x
  2. Step 2: Convert to fraction form
    21,253,567.77/31,865,559.75 = 9,416,273.09/x
  3. Step 3: Cross multiply
    21,253,567.77x = 31,865,559.75 × 9,416,273.09
  4. Step 4: Simplify right side
    21,253,567.77x = 300,054,812,612,384.38
  5. Step 5: Solve for x
    x = 300,054,812,612,384.38/21,253,567.77
  6. Step 6: Final answer
    x = 14,117,856.16

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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.