Home / 20,873,403.60-31,310,105.40-10,095,867.60

Finding the Fourth Proportional to 20,873,403.60, 31,310,105.40 and 10,095,867.60

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Solution

The fourth proportional to 20,873,403.60, 31,310,105.40 and 10,095,867.60 is: 15,143,801.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,873,403.60 : 31,310,105.40 = 10,095,867.60 : x
  2. Step 2: Convert to fraction form
    20,873,403.60/31,310,105.40 = 10,095,867.60/x
  3. Step 3: Cross multiply
    20,873,403.60x = 31,310,105.40 × 10,095,867.60
  4. Step 4: Simplify right side
    20,873,403.60x = 316,102,678,660,445
  5. Step 5: Solve for x
    x = 316,102,678,660,445/20,873,403.60
  6. Step 6: Final answer
    x = 15,143,801.40

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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.