Home / 21,630,107.30-29,849,545.85-11,840,558.13

Finding the Fourth Proportional to 21,630,107.30, 29,849,545.85 and 11,840,558.13

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Solution

The fourth proportional to 21,630,107.30, 29,849,545.85 and 11,840,558.13 is: 16,339,969.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,630,107.30 : 29,849,545.85 = 11,840,558.13 : x
  2. Step 2: Convert to fraction form
    21,630,107.30/29,849,545.85 = 11,840,558.13/x
  3. Step 3: Cross multiply
    21,630,107.30x = 29,849,545.85 × 11,840,558.13
  4. Step 4: Simplify right side
    21,630,107.30x = 353,435,282,731,822.50
  5. Step 5: Solve for x
    x = 353,435,282,731,822.50/21,630,107.30
  6. Step 6: Final answer
    x = 16,339,969.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.