Home / 12,331,024.80-18,495,615.60-5,140,701.60

Finding the Fourth Proportional to 12,331,024.80, 18,495,615.60 and 5,140,701.60

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Solution

The fourth proportional to 12,331,024.80, 18,495,615.60 and 5,140,701.60 is: 7,710,668.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331,024.80 : 18,495,615.60 = 5,140,701.60 : x
  2. Step 2: Convert to fraction form
    12,331,024.80/18,495,615.60 = 5,140,701.60/x
  3. Step 3: Cross multiply
    12,331,024.80x = 18,495,615.60 × 5,140,701.60
  4. Step 4: Simplify right side
    12,331,024.80x = 95,080,440,707,904.95
  5. Step 5: Solve for x
    x = 95,080,440,707,904.95/12,331,024.80
  6. Step 6: Final answer
    x = 7,710,668.19

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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.