Home / 12,157,448.36-16,777,411.03-6,650,704.77

Finding the Fourth Proportional to 12,157,448.36, 16,777,411.03 and 6,650,704.77

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Solution

The fourth proportional to 12,157,448.36, 16,777,411.03 and 6,650,704.77 is: 9,178,044.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,157,448.36 : 16,777,411.03 = 6,650,704.77 : x
  2. Step 2: Convert to fraction form
    12,157,448.36/16,777,411.03 = 6,650,704.77/x
  3. Step 3: Cross multiply
    12,157,448.36x = 16,777,411.03 × 6,650,704.77
  4. Step 4: Simplify right side
    12,157,448.36x = 111,581,607,510,869.70
  5. Step 5: Solve for x
    x = 111,581,607,510,869.70/12,157,448.36
  6. Step 6: Final answer
    x = 9,178,044.95

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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.