Home / 11,121,134.10-16,681,701.15-6,642,158.10

Finding the Fourth Proportional to 11,121,134.10, 16,681,701.15 and 6,642,158.10

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Solution

The fourth proportional to 11,121,134.10, 16,681,701.15 and 6,642,158.10 is: 9,963,237.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,121,134.10 : 16,681,701.15 = 6,642,158.10 : x
  2. Step 2: Convert to fraction form
    11,121,134.10/16,681,701.15 = 6,642,158.10/x
  3. Step 3: Cross multiply
    11,121,134.10x = 16,681,701.15 × 6,642,158.10
  4. Step 4: Simplify right side
    11,121,134.10x = 110,802,496,415,251.81
  5. Step 5: Solve for x
    x = 110,802,496,415,251.81/11,121,134.10
  6. Step 6: Final answer
    x = 9,963,237.15

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1.5x scale

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.