Home / 10,875,331.60-16,312,939.80-2,788,291.60

Finding the Fourth Proportional to 10,875,331.60, 16,312,939.80 and 2,788,291.60

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Solution

The fourth proportional to 10,875,331.60, 16,312,939.80 and 2,788,291.60 is: 4,182,422.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,875,331.60 : 16,312,939.80 = 2,788,291.60 : x
  2. Step 2: Convert to fraction form
    10,875,331.60/16,312,939.80 = 2,788,291.60/x
  3. Step 3: Cross multiply
    10,875,331.60x = 16,312,939.80 × 2,788,291.60
  4. Step 4: Simplify right side
    10,875,331.60x = 45,485,233,015,645.69
  5. Step 5: Solve for x
    x = 45,485,233,015,645.69/10,875,331.60
  6. Step 6: Final answer
    x = 4,182,422.63

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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.