Home / 20,836,433.56-31,255,831.30-6,461,545

Finding the Fourth Proportional to 20,836,433.56, 31,255,831.30 and 6,461,545

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Solution

The fourth proportional to 20,836,433.56, 31,255,831.30 and 6,461,545 is: 9,692,683.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,836,433.56 : 31,255,831.30 = 6,461,545 : x
  2. Step 2: Convert to fraction form
    20,836,433.56/31,255,831.30 = 6,461,545/x
  3. Step 3: Cross multiply
    20,836,433.56x = 31,255,831.30 × 6,461,545
  4. Step 4: Simplify right side
    20,836,433.56x = 201,960,960,457,358.50
  5. Step 5: Solve for x
    x = 201,960,960,457,358.50/20,836,433.56
  6. Step 6: Final answer
    x = 9,692,683.73

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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.