Home / 20,588,437.68-30,872,101.44-10,878,272.50

Finding the Fourth Proportional to 20,588,437.68, 30,872,101.44 and 10,878,272.50

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Solution

The fourth proportional to 20,588,437.68, 30,872,101.44 and 10,878,272.50 is: 16,311,831.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,588,437.68 : 30,872,101.44 = 10,878,272.50 : x
  2. Step 2: Convert to fraction form
    20,588,437.68/30,872,101.44 = 10,878,272.50/x
  3. Step 3: Cross multiply
    20,588,437.68x = 30,872,101.44 × 10,878,272.50
  4. Step 4: Simplify right side
    20,588,437.68x = 335,835,132,111,962.44
  5. Step 5: Solve for x
    x = 335,835,132,111,962.44/20,588,437.68
  6. Step 6: Final answer
    x = 16,311,831.78

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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.