Home / 20,255,938.10-27,950,219.40-11,313,946.74

Finding the Fourth Proportional to 20,255,938.10, 27,950,219.40 and 11,313,946.74

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Solution

The fourth proportional to 20,255,938.10, 27,950,219.40 and 11,313,946.74 is: 15,611,584.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,255,938.10 : 27,950,219.40 = 11,313,946.74 : x
  2. Step 2: Convert to fraction form
    20,255,938.10/27,950,219.40 = 11,313,946.74/x
  3. Step 3: Cross multiply
    20,255,938.10x = 27,950,219.40 × 11,313,946.74
  4. Step 4: Simplify right side
    20,255,938.10x = 316,227,293,662,914.75
  5. Step 5: Solve for x
    x = 316,227,293,662,914.75/20,255,938.10
  6. Step 6: Final answer
    x = 15,611,584.72

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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.