Home / 15,571,145.66-21,488,833.86-8,955,735.93

Finding the Fourth Proportional to 15,571,145.66, 21,488,833.86 and 8,955,735.93

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Solution

The fourth proportional to 15,571,145.66, 21,488,833.86 and 8,955,735.93 is: 12,359,291.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,571,145.66 : 21,488,833.86 = 8,955,735.93 : x
  2. Step 2: Convert to fraction form
    15,571,145.66/21,488,833.86 = 8,955,735.93/x
  3. Step 3: Cross multiply
    15,571,145.66x = 21,488,833.86 × 8,955,735.93
  4. Step 4: Simplify right side
    15,571,145.66x = 192,448,321,460,218.56
  5. Step 5: Solve for x
    x = 192,448,321,460,218.56/15,571,145.66
  6. Step 6: Final answer
    x = 12,359,291.07

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1.5x scale

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.