Home / 48,512,007.40-72,768,011.10-19,743,334.60

Finding the Fourth Proportional to 48,512,007.40, 72,768,011.10 and 19,743,334.60

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Solution

The fourth proportional to 48,512,007.40, 72,768,011.10 and 19,743,334.60 is: 29,615,001.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,512,007.40 : 72,768,011.10 = 19,743,334.60 : x
  2. Step 2: Convert to fraction form
    48,512,007.40/72,768,011.10 = 19,743,334.60/x
  3. Step 3: Cross multiply
    48,512,007.40x = 72,768,011.10 × 19,743,334.60
  4. Step 4: Simplify right side
    48,512,007.40x = 1,436,683,191,323,814
  5. Step 5: Solve for x
    x = 1,436,683,191,323,814/48,512,007.40
  6. Step 6: Final answer
    x = 29,615,001.90

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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.