Home / 20,799,294.52-28,702,928.46-11,631,973.72

Finding the Fourth Proportional to 20,799,294.52, 28,702,928.46 and 11,631,973.72

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Solution

The fourth proportional to 20,799,294.52, 28,702,928.46 and 11,631,973.72 is: 16,052,068.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,799,294.52 : 28,702,928.46 = 11,631,973.72 : x
  2. Step 2: Convert to fraction form
    20,799,294.52/28,702,928.46 = 11,631,973.72/x
  3. Step 3: Cross multiply
    20,799,294.52x = 28,702,928.46 × 11,631,973.72
  4. Step 4: Simplify right side
    20,799,294.52x = 333,871,709,533,760.12
  5. Step 5: Solve for x
    x = 333,871,709,533,760.12/20,799,294.52
  6. Step 6: Final answer
    x = 16,052,068.94

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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.