Home / 20,809,727.60-31,202,149.80-10,732,031.60

Finding the Fourth Proportional to 20,809,727.60, 31,202,149.80 and 10,732,031.60

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Solution

The fourth proportional to 20,809,727.60, 31,202,149.80 and 10,732,031.60 is: 16,091,630.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,809,727.60 : 31,202,149.80 = 10,732,031.60 : x
  2. Step 2: Convert to fraction form
    20,809,727.60/31,202,149.80 = 10,732,031.60/x
  3. Step 3: Cross multiply
    20,809,727.60x = 31,202,149.80 × 10,732,031.60
  4. Step 4: Simplify right side
    20,809,727.60x = 334,862,457,641,533.69
  5. Step 5: Solve for x
    x = 334,862,457,641,533.69/20,809,727.60
  6. Step 6: Final answer
    x = 16,091,630.99

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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.