Home / 21,808,427.52-30,095,838.72-12,019,226.88

Finding the Fourth Proportional to 21,808,427.52, 30,095,838.72 and 12,019,226.88

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Solution

The fourth proportional to 21,808,427.52, 30,095,838.72 and 12,019,226.88 is: 16,586,648.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,808,427.52 : 30,095,838.72 = 12,019,226.88 : x
  2. Step 2: Convert to fraction form
    21,808,427.52/30,095,838.72 = 12,019,226.88/x
  3. Step 3: Cross multiply
    21,808,427.52x = 30,095,838.72 × 12,019,226.88
  4. Step 4: Simplify right side
    21,808,427.52x = 361,728,713,719,568.81
  5. Step 5: Solve for x
    x = 361,728,713,719,568.81/21,808,427.52
  6. Step 6: Final answer
    x = 16,586,648.14

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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.