Home / 13,123,336.32-19,686,034.08-3,538,569.60

Finding the Fourth Proportional to 13,123,336.32, 19,686,034.08 and 3,538,569.60

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Solution

The fourth proportional to 13,123,336.32, 19,686,034.08 and 3,538,569.60 is: 5,308,132.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,123,336.32 : 19,686,034.08 = 3,538,569.60 : x
  2. Step 2: Convert to fraction form
    13,123,336.32/19,686,034.08 = 3,538,569.60/x
  3. Step 3: Cross multiply
    13,123,336.32x = 19,686,034.08 × 3,538,569.60
  4. Step 4: Simplify right side
    13,123,336.32x = 69,660,401,740,051.96
  5. Step 5: Solve for x
    x = 69,660,401,740,051.96/13,123,336.32
  6. Step 6: Final answer
    x = 5,308,132.02

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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.