Home / 12,141,065.78-16,754,715.22-6,634,441.28

Finding the Fourth Proportional to 12,141,065.78, 16,754,715.22 and 6,634,441.28

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Solution

The fourth proportional to 12,141,065.78, 16,754,715.22 and 6,634,441.28 is: 9,155,553.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,141,065.78 : 16,754,715.22 = 6,634,441.28 : x
  2. Step 2: Convert to fraction form
    12,141,065.78/16,754,715.22 = 6,634,441.28/x
  3. Step 3: Cross multiply
    12,141,065.78x = 16,754,715.22 × 6,634,441.28
  4. Step 4: Simplify right side
    12,141,065.78x = 111,158,174,290,212.30
  5. Step 5: Solve for x
    x = 111,158,174,290,212.30/12,141,065.78
  6. Step 6: Final answer
    x = 9,155,553.25

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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.