Home / 12,692,366.37-17,515,465.02-6,891,148.85

Finding the Fourth Proportional to 12,692,366.37, 17,515,465.02 and 6,891,148.85

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Solution

The fourth proportional to 12,692,366.37, 17,515,465.02 and 6,891,148.85 is: 9,509,785.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,692,366.37 : 17,515,465.02 = 6,891,148.85 : x
  2. Step 2: Convert to fraction form
    12,692,366.37/17,515,465.02 = 6,891,148.85/x
  3. Step 3: Cross multiply
    12,692,366.37x = 17,515,465.02 × 6,891,148.85
  4. Step 4: Simplify right side
    12,692,366.37x = 120,701,676,542,210.89
  5. Step 5: Solve for x
    x = 120,701,676,542,210.89/12,692,366.37
  6. Step 6: Final answer
    x = 9,509,785.10

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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.