Home / 12,714,099.78-17,545,333.77-6,912,881.40

Finding the Fourth Proportional to 12,714,099.78, 17,545,333.77 and 6,912,881.40

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Solution

The fourth proportional to 12,714,099.78, 17,545,333.77 and 6,912,881.40 is: 9,539,708.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,714,099.78 : 17,545,333.77 = 6,912,881.40 : x
  2. Step 2: Convert to fraction form
    12,714,099.78/17,545,333.77 = 6,912,881.40/x
  3. Step 3: Cross multiply
    12,714,099.78x = 17,545,333.77 × 6,912,881.40
  4. Step 4: Simplify right side
    12,714,099.78x = 121,288,811,475,424.88
  5. Step 5: Solve for x
    x = 121,288,811,475,424.88/12,714,099.78
  6. Step 6: Final answer
    x = 9,539,708.95

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1.5x scale

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.