Home / 10,138,961.96-15,209,142.78-2,950,555.40

Finding the Fourth Proportional to 10,138,961.96, 15,209,142.78 and 2,950,555.40

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Solution

The fourth proportional to 10,138,961.96, 15,209,142.78 and 2,950,555.40 is: 4,426,036.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,138,961.96 : 15,209,142.78 = 2,950,555.40 : x
  2. Step 2: Convert to fraction form
    10,138,961.96/15,209,142.78 = 2,950,555.40/x
  3. Step 3: Cross multiply
    10,138,961.96x = 15,209,142.78 × 2,950,555.40
  4. Step 4: Simplify right side
    10,138,961.96x = 44,875,418,358,900.01
  5. Step 5: Solve for x
    x = 44,875,418,358,900.01/10,138,961.96
  6. Step 6: Final answer
    x = 4,426,036.76

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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.