Home / 22,571,777.06-31,151,711.48-13,404,419.81

Finding the Fourth Proportional to 22,571,777.06, 31,151,711.48 and 13,404,419.81

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Solution

The fourth proportional to 22,571,777.06, 31,151,711.48 and 13,404,419.81 is: 18,499,678.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,571,777.06 : 31,151,711.48 = 13,404,419.81 : x
  2. Step 2: Convert to fraction form
    22,571,777.06/31,151,711.48 = 13,404,419.81/x
  3. Step 3: Cross multiply
    22,571,777.06x = 31,151,711.48 × 13,404,419.81
  4. Step 4: Simplify right side
    22,571,777.06x = 417,570,618,477,916.44
  5. Step 5: Solve for x
    x = 417,570,618,477,916.44/22,571,777.06
  6. Step 6: Final answer
    x = 18,499,678.49

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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.