Home / 8,778,455.76-13,166,353.08-2,389,206

Finding the Fourth Proportional to 8,778,455.76, 13,166,353.08 and 2,389,206

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Solution

The fourth proportional to 8,778,455.76, 13,166,353.08 and 2,389,206 is: 3,583,446.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778,455.76 : 13,166,353.08 = 2,389,206 : x
  2. Step 2: Convert to fraction form
    8,778,455.76/13,166,353.08 = 2,389,206/x
  3. Step 3: Cross multiply
    8,778,455.76x = 13,166,353.08 × 2,389,206
  4. Step 4: Simplify right side
    8,778,455.76x = 31,457,129,776,854.48
  5. Step 5: Solve for x
    x = 31,457,129,776,854.48/8,778,455.76
  6. Step 6: Final answer
    x = 3,583,446.87

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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.