Home / 22,170,085.07-30,588,030.90-12,875,863.58

Finding the Fourth Proportional to 22,170,085.07, 30,588,030.90 and 12,875,863.58

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Solution

The fourth proportional to 22,170,085.07, 30,588,030.90 and 12,875,863.58 is: 17,764,808.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,170,085.07 : 30,588,030.90 = 12,875,863.58 : x
  2. Step 2: Convert to fraction form
    22,170,085.07/30,588,030.90 = 12,875,863.58/x
  3. Step 3: Cross multiply
    22,170,085.07x = 30,588,030.90 × 12,875,863.58
  4. Step 4: Simplify right side
    22,170,085.07x = 393,847,313,049,224.62
  5. Step 5: Solve for x
    x = 393,847,313,049,224.62/22,170,085.07
  6. Step 6: Final answer
    x = 17,764,808.38

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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.