Home / 20,768,467.60-31,152,701.40-15,028,904.80

Finding the Fourth Proportional to 20,768,467.60, 31,152,701.40 and 15,028,904.80

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Solution

The fourth proportional to 20,768,467.60, 31,152,701.40 and 15,028,904.80 is: 22,543,357.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,768,467.60 : 31,152,701.40 = 15,028,904.80 : x
  2. Step 2: Convert to fraction form
    20,768,467.60/31,152,701.40 = 15,028,904.80/x
  3. Step 3: Cross multiply
    20,768,467.60x = 31,152,701.40 × 15,028,904.80
  4. Step 4: Simplify right side
    20,768,467.60x = 468,190,983,603,426.75
  5. Step 5: Solve for x
    x = 468,190,983,603,426.75/20,768,467.60
  6. Step 6: Final answer
    x = 22,543,357.20

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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.