Home / 18,853,938.32-28,293,309.44-10,340,253.52

Finding the Fourth Proportional to 18,853,938.32, 28,293,309.44 and 10,340,253.52

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Solution

The fourth proportional to 18,853,938.32, 28,293,309.44 and 10,340,253.52 is: 15,517,182.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,853,938.32 : 28,293,309.44 = 10,340,253.52 : x
  2. Step 2: Convert to fraction form
    18,853,938.32/28,293,309.44 = 10,340,253.52/x
  3. Step 3: Cross multiply
    18,853,938.32x = 28,293,309.44 × 10,340,253.52
  4. Step 4: Simplify right side
    18,853,938.32x = 292,559,992,529,409.25
  5. Step 5: Solve for x
    x = 292,559,992,529,409.25/18,853,938.32
  6. Step 6: Final answer
    x = 15,517,182.01

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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.