Home / 12,835,879.12-19,249,753.69-4,197,983.77

Finding the Fourth Proportional to 12,835,879.12, 19,249,753.69 and 4,197,983.77

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Solution

The fourth proportional to 12,835,879.12, 19,249,753.69 and 4,197,983.77 is: 6,295,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,835,879.12 : 19,249,753.69 = 4,197,983.77 : x
  2. Step 2: Convert to fraction form
    12,835,879.12/19,249,753.69 = 4,197,983.77/x
  3. Step 3: Cross multiply
    12,835,879.12x = 19,249,753.69 × 4,197,983.77
  4. Step 4: Simplify right side
    12,835,879.12x = 80,810,153,567,117.61
  5. Step 5: Solve for x
    x = 80,810,153,567,117.61/12,835,879.12
  6. Step 6: Final answer
    x = 6,295,646.20

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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.