Home / 12,912,130.60-19,368,195.90-5,336,578.60

Finding the Fourth Proportional to 12,912,130.60, 19,368,195.90 and 5,336,578.60

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Solution

The fourth proportional to 12,912,130.60, 19,368,195.90 and 5,336,578.60 is: 8,004,867.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,912,130.60 : 19,368,195.90 = 5,336,578.60 : x
  2. Step 2: Convert to fraction form
    12,912,130.60/19,368,195.90 = 5,336,578.60/x
  3. Step 3: Cross multiply
    12,912,130.60x = 19,368,195.90 × 5,336,578.60
  4. Step 4: Simplify right side
    12,912,130.60x = 103,359,899,760,547.72
  5. Step 5: Solve for x
    x = 103,359,899,760,547.72/12,912,130.60
  6. Step 6: Final answer
    x = 8,004,867.90

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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.