Home / 10,415,465.22-15,617,502.75-8,270,270.40

Finding the Fourth Proportional to 10,415,465.22, 15,617,502.75 and 8,270,270.40

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Solution

The fourth proportional to 10,415,465.22, 15,617,502.75 and 8,270,270.40 is: 12,400,883.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,415,465.22 : 15,617,502.75 = 8,270,270.40 : x
  2. Step 2: Convert to fraction form
    10,415,465.22/15,617,502.75 = 8,270,270.40/x
  3. Step 3: Cross multiply
    10,415,465.22x = 15,617,502.75 × 8,270,270.40
  4. Step 4: Simplify right side
    10,415,465.22x = 129,160,970,715,243.61
  5. Step 5: Solve for x
    x = 129,160,970,715,243.61/10,415,465.22
  6. Step 6: Final answer
    x = 12,400,883.49

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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.