Home / 12,947,256.77-19,420,879.68-3,849,314.90

Finding the Fourth Proportional to 12,947,256.77, 19,420,879.68 and 3,849,314.90

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Solution

The fourth proportional to 12,947,256.77, 19,420,879.68 and 3,849,314.90 is: 5,773,970.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,947,256.77 : 19,420,879.68 = 3,849,314.90 : x
  2. Step 2: Convert to fraction form
    12,947,256.77/19,420,879.68 = 3,849,314.90/x
  3. Step 3: Cross multiply
    12,947,256.77x = 19,420,879.68 × 3,849,314.90
  4. Step 4: Simplify right side
    12,947,256.77x = 74,757,081,426,226.83
  5. Step 5: Solve for x
    x = 74,757,081,426,226.83/12,947,256.77
  6. Step 6: Final answer
    x = 5,773,970.72

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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.