Home / 12,961,206.40-19,441,809.60-10,882,681.60

Finding the Fourth Proportional to 12,961,206.40, 19,441,809.60 and 10,882,681.60

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Solution

The fourth proportional to 12,961,206.40, 19,441,809.60 and 10,882,681.60 is: 16,324,022.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,961,206.40 : 19,441,809.60 = 10,882,681.60 : x
  2. Step 2: Convert to fraction form
    12,961,206.40/19,441,809.60 = 10,882,681.60/x
  3. Step 3: Cross multiply
    12,961,206.40x = 19,441,809.60 × 10,882,681.60
  4. Step 4: Simplify right side
    12,961,206.40x = 211,579,023,604,623.38
  5. Step 5: Solve for x
    x = 211,579,023,604,623.38/12,961,206.40
  6. Step 6: Final answer
    x = 16,324,022.40

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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.