Home / 18,243,963.60-27,365,945.40-9,719,912.40

Finding the Fourth Proportional to 18,243,963.60, 27,365,945.40 and 9,719,912.40

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Solution

The fourth proportional to 18,243,963.60, 27,365,945.40 and 9,719,912.40 is: 14,579,868.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,243,963.60 : 27,365,945.40 = 9,719,912.40 : x
  2. Step 2: Convert to fraction form
    18,243,963.60/27,365,945.40 = 9,719,912.40/x
  3. Step 3: Cross multiply
    18,243,963.60x = 27,365,945.40 × 9,719,912.40
  4. Step 4: Simplify right side
    18,243,963.60x = 265,994,592,031,182.97
  5. Step 5: Solve for x
    x = 265,994,592,031,182.97/18,243,963.60
  6. Step 6: Final answer
    x = 14,579,868.60

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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.