Home / 12,949,123.60-19,426,018.20-5,376,854.80

Finding the Fourth Proportional to 12,949,123.60, 19,426,018.20 and 5,376,854.80

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Solution

The fourth proportional to 12,949,123.60, 19,426,018.20 and 5,376,854.80 is: 8,066,250.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949,123.60 : 19,426,018.20 = 5,376,854.80 : x
  2. Step 2: Convert to fraction form
    12,949,123.60/19,426,018.20 = 5,376,854.80/x
  3. Step 3: Cross multiply
    12,949,123.60x = 19,426,018.20 × 5,376,854.80
  4. Step 4: Simplify right side
    12,949,123.60x = 104,450,879,203,557.36
  5. Step 5: Solve for x
    x = 104,450,879,203,557.36/12,949,123.60
  6. Step 6: Final answer
    x = 8,066,250.85

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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.