Home / 10,489,784.50-15,735,567.95-2,916,750.25

Finding the Fourth Proportional to 10,489,784.50, 15,735,567.95 and 2,916,750.25

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Solution

The fourth proportional to 10,489,784.50, 15,735,567.95 and 2,916,750.25 is: 4,375,373.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,489,784.50 : 15,735,567.95 = 2,916,750.25 : x
  2. Step 2: Convert to fraction form
    10,489,784.50/15,735,567.95 = 2,916,750.25/x
  3. Step 3: Cross multiply
    10,489,784.50x = 15,735,567.95 × 2,916,750.25
  4. Step 4: Simplify right side
    10,489,784.50x = 45,896,721,752,054.48
  5. Step 5: Solve for x
    x = 45,896,721,752,054.48/10,489,784.50
  6. Step 6: Final answer
    x = 4,375,373.18

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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.