Home / 8,466,686.40-11,685,664.76-5,521,390.92

Finding the Fourth Proportional to 8,466,686.40, 11,685,664.76 and 5,521,390.92

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Solution

The fourth proportional to 8,466,686.40, 11,685,664.76 and 5,521,390.92 is: 7,620,587.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466,686.40 : 11,685,664.76 = 5,521,390.92 : x
  2. Step 2: Convert to fraction form
    8,466,686.40/11,685,664.76 = 5,521,390.92/x
  3. Step 3: Cross multiply
    8,466,686.40x = 11,685,664.76 × 5,521,390.92
  4. Step 4: Simplify right side
    8,466,686.40x = 64,521,123,300,027.98
  5. Step 5: Solve for x
    x = 64,521,123,300,027.98/8,466,686.40
  6. Step 6: Final answer
    x = 7,620,587.35

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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.