Home / 20,185,065.19-30,277,312.66-9,396,331.75

Finding the Fourth Proportional to 20,185,065.19, 30,277,312.66 and 9,396,331.75

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Solution

The fourth proportional to 20,185,065.19, 30,277,312.66 and 9,396,331.75 is: 14,094,364.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,185,065.19 : 30,277,312.66 = 9,396,331.75 : x
  2. Step 2: Convert to fraction form
    20,185,065.19/30,277,312.66 = 9,396,331.75/x
  3. Step 3: Cross multiply
    20,185,065.19x = 30,277,312.66 × 9,396,331.75
  4. Step 4: Simplify right side
    20,185,065.19x = 284,495,674,251,834.94
  5. Step 5: Solve for x
    x = 284,495,674,251,834.94/20,185,065.19
  6. Step 6: Final answer
    x = 14,094,364.90

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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.