Home / 20,317,188.64-30,473,916.72-6,854,133.28

Finding the Fourth Proportional to 20,317,188.64, 30,473,916.72 and 6,854,133.28

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Solution

The fourth proportional to 20,317,188.64, 30,473,916.72 and 6,854,133.28 is: 10,280,570.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,317,188.64 : 30,473,916.72 = 6,854,133.28 : x
  2. Step 2: Convert to fraction form
    20,317,188.64/30,473,916.72 = 6,854,133.28/x
  3. Step 3: Cross multiply
    20,317,188.64x = 30,473,916.72 × 6,854,133.28
  4. Step 4: Simplify right side
    20,317,188.64x = 208,872,286,762,500.44
  5. Step 5: Solve for x
    x = 208,872,286,762,500.44/20,317,188.64
  6. Step 6: Final answer
    x = 10,280,570.33

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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.