Home / 19,516,851.46-26,933,415.48-10,815,169.40

Finding the Fourth Proportional to 19,516,851.46, 26,933,415.48 and 10,815,169.40

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Solution

The fourth proportional to 19,516,851.46, 26,933,415.48 and 10,815,169.40 is: 14,925,022.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,516,851.46 : 26,933,415.48 = 10,815,169.40 : x
  2. Step 2: Convert to fraction form
    19,516,851.46/26,933,415.48 = 10,815,169.40/x
  3. Step 3: Cross multiply
    19,516,851.46x = 26,933,415.48 × 10,815,169.40
  4. Step 4: Simplify right side
    19,516,851.46x = 291,289,450,936,782.31
  5. Step 5: Solve for x
    x = 291,289,450,936,782.31/19,516,851.46
  6. Step 6: Final answer
    x = 14,925,022.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.