Home / 20,872,533.60-31,308,800.40-10,094,997.60

Finding the Fourth Proportional to 20,872,533.60, 31,308,800.40 and 10,094,997.60

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Solution

The fourth proportional to 20,872,533.60, 31,308,800.40 and 10,094,997.60 is: 15,142,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,872,533.60 : 31,308,800.40 = 10,094,997.60 : x
  2. Step 2: Convert to fraction form
    20,872,533.60/31,308,800.40 = 10,094,997.60/x
  3. Step 3: Cross multiply
    20,872,533.60x = 31,308,800.40 × 10,094,997.60
  4. Step 4: Simplify right side
    20,872,533.60x = 316,062,264,896,879
  5. Step 5: Solve for x
    x = 316,062,264,896,879/20,872,533.60
  6. Step 6: Final answer
    x = 15,142,496.40

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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.