Home / 12,217,890.30-16,859,705.30-7,061,585.82

Finding the Fourth Proportional to 12,217,890.30, 16,859,705.30 and 7,061,585.82

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Solution

The fourth proportional to 12,217,890.30, 16,859,705.30 and 7,061,585.82 is: 9,744,420.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217,890.30 : 16,859,705.30 = 7,061,585.82 : x
  2. Step 2: Convert to fraction form
    12,217,890.30/16,859,705.30 = 7,061,585.82/x
  3. Step 3: Cross multiply
    12,217,890.30x = 16,859,705.30 × 7,061,585.82
  4. Step 4: Simplify right side
    12,217,890.30x = 119,056,255,875,858.86
  5. Step 5: Solve for x
    x = 119,056,255,875,858.86/12,217,890.30
  6. Step 6: Final answer
    x = 9,744,420.10

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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.