Home / 20,196,239.10-30,291,406.20-5,817,807.60

Finding the Fourth Proportional to 20,196,239.10, 30,291,406.20 and 5,817,807.60

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Solution

The fourth proportional to 20,196,239.10, 30,291,406.20 and 5,817,807.60 is: 8,725,860.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,196,239.10 : 30,291,406.20 = 5,817,807.60 : x
  2. Step 2: Convert to fraction form
    20,196,239.10/30,291,406.20 = 5,817,807.60/x
  3. Step 3: Cross multiply
    20,196,239.10x = 30,291,406.20 × 5,817,807.60
  4. Step 4: Simplify right side
    20,196,239.10x = 176,229,573,205,047.09
  5. Step 5: Solve for x
    x = 176,229,573,205,047.09/20,196,239.10
  6. Step 6: Final answer
    x = 8,725,860.91

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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.