Home / 48,512,007.60-72,768,011.40-19,778,764.20

Finding the Fourth Proportional to 48,512,007.60, 72,768,011.40 and 19,778,764.20

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Solution

The fourth proportional to 48,512,007.60, 72,768,011.40 and 19,778,764.20 is: 29,668,146.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,512,007.60 : 72,768,011.40 = 19,778,764.20 : x
  2. Step 2: Convert to fraction form
    48,512,007.60/72,768,011.40 = 19,778,764.20/x
  3. Step 3: Cross multiply
    48,512,007.60x = 72,768,011.40 × 19,778,764.20
  4. Step 4: Simplify right side
    48,512,007.60x = 1,439,261,338,783,512
  5. Step 5: Solve for x
    x = 1,439,261,338,783,512/48,512,007.60
  6. Step 6: Final answer
    x = 29,668,146.30

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1.5x scale

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.