Home / 20,900,204.24-31,342,318.59-6,875,172.18

Finding the Fourth Proportional to 20,900,204.24, 31,342,318.59 and 6,875,172.18

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Solution

The fourth proportional to 20,900,204.24, 31,342,318.59 and 6,875,172.18 is: 10,310,130.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,900,204.24 : 31,342,318.59 = 6,875,172.18 : x
  2. Step 2: Convert to fraction form
    20,900,204.24/31,342,318.59 = 6,875,172.18/x
  3. Step 3: Cross multiply
    20,900,204.24x = 31,342,318.59 × 6,875,172.18
  4. Step 4: Simplify right side
    20,900,204.24x = 215,483,836,826,664.81
  5. Step 5: Solve for x
    x = 215,483,836,826,664.81/20,900,204.24
  6. Step 6: Final answer
    x = 10,310,130.68

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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.