Home / 12,963,765.60-19,445,648.40-8,155,864.80

Finding the Fourth Proportional to 12,963,765.60, 19,445,648.40 and 8,155,864.80

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Solution

The fourth proportional to 12,963,765.60, 19,445,648.40 and 8,155,864.80 is: 12,233,797.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,963,765.60 : 19,445,648.40 = 8,155,864.80 : x
  2. Step 2: Convert to fraction form
    12,963,765.60/19,445,648.40 = 8,155,864.80/x
  3. Step 3: Cross multiply
    12,963,765.60x = 19,445,648.40 × 8,155,864.80
  4. Step 4: Simplify right side
    12,963,765.60x = 158,596,079,298,736.31
  5. Step 5: Solve for x
    x = 158,596,079,298,736.31/12,963,765.60
  6. Step 6: Final answer
    x = 12,233,797.20

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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.