Home / 18,021,211.20-27,019,877.40-9,938,059.20

Finding the Fourth Proportional to 18,021,211.20, 27,019,877.40 and 9,938,059.20

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Solution

The fourth proportional to 18,021,211.20, 27,019,877.40 and 9,938,059.20 is: 14,900,504.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,021,211.20 : 27,019,877.40 = 9,938,059.20 : x
  2. Step 2: Convert to fraction form
    18,021,211.20/27,019,877.40 = 9,938,059.20/x
  3. Step 3: Cross multiply
    18,021,211.20x = 27,019,877.40 × 9,938,059.20
  4. Step 4: Simplify right side
    18,021,211.20x = 268,525,141,177,942.03
  5. Step 5: Solve for x
    x = 268,525,141,177,942.03/18,021,211.20
  6. Step 6: Final answer
    x = 14,900,504.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.