Home / 30,638,749.62-45,969,050.54-15,284,681.02

Finding the Fourth Proportional to 30,638,749.62, 45,969,050.54 and 15,284,681.02

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Solution

The fourth proportional to 30,638,749.62, 45,969,050.54 and 15,284,681.02 is: 22,932,472.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,638,749.62 : 45,969,050.54 = 15,284,681.02 : x
  2. Step 2: Convert to fraction form
    30,638,749.62/45,969,050.54 = 15,284,681.02/x
  3. Step 3: Cross multiply
    30,638,749.62x = 45,969,050.54 × 15,284,681.02
  4. Step 4: Simplify right side
    30,638,749.62x = 702,622,274,133,301.75
  5. Step 5: Solve for x
    x = 702,622,274,133,301.75/30,638,749.62
  6. Step 6: Final answer
    x = 22,932,472.21

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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.