Home / 12,912,133.10-19,368,199.65-5,336,581.10

Finding the Fourth Proportional to 12,912,133.10, 19,368,199.65 and 5,336,581.10

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Solution

The fourth proportional to 12,912,133.10, 19,368,199.65 and 5,336,581.10 is: 8,004,871.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,912,133.10 : 19,368,199.65 = 5,336,581.10 : x
  2. Step 2: Convert to fraction form
    12,912,133.10/19,368,199.65 = 5,336,581.10/x
  3. Step 3: Cross multiply
    12,912,133.10x = 19,368,199.65 × 5,336,581.10
  4. Step 4: Simplify right side
    12,912,133.10x = 103,359,968,193,216.59
  5. Step 5: Solve for x
    x = 103,359,968,193,216.59/12,912,133.10
  6. Step 6: Final answer
    x = 8,004,871.65

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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.