Home / 28,342,823.75-39,113,000.86-15,952,910.00

Finding the Fourth Proportional to 28,342,823.75, 39,113,000.86 and 15,952,910.00

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Solution

The fourth proportional to 28,342,823.75, 39,113,000.86 and 15,952,910.00 is: 22,014,961.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,342,823.75 : 39,113,000.86 = 15,952,910.00 : x
  2. Step 2: Convert to fraction form
    28,342,823.75/39,113,000.86 = 15,952,910.00/x
  3. Step 3: Cross multiply
    28,342,823.75x = 39,113,000.86 × 15,952,910.00
  4. Step 4: Simplify right side
    28,342,823.75x = 623,966,182,353,937.50
  5. Step 5: Solve for x
    x = 623,966,182,353,937.50/28,342,823.75
  6. Step 6: Final answer
    x = 22,014,961.81

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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.