Home / 20,801,636.40-31,202,454.60-9,464,228.40

Finding the Fourth Proportional to 20,801,636.40, 31,202,454.60 and 9,464,228.40

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Solution

The fourth proportional to 20,801,636.40, 31,202,454.60 and 9,464,228.40 is: 14,196,342.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,801,636.40 : 31,202,454.60 = 9,464,228.40 : x
  2. Step 2: Convert to fraction form
    20,801,636.40/31,202,454.60 = 9,464,228.40/x
  3. Step 3: Cross multiply
    20,801,636.40x = 31,202,454.60 × 9,464,228.40
  4. Step 4: Simplify right side
    20,801,636.40x = 295,307,156,975,030.69
  5. Step 5: Solve for x
    x = 295,307,156,975,030.69/20,801,636.40
  6. Step 6: Final answer
    x = 14,196,342.60

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1.5x scale

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.