Home / 8,778,465.76-13,166,368.08-2,389,216

Finding the Fourth Proportional to 8,778,465.76, 13,166,368.08 and 2,389,216

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Solution

The fourth proportional to 8,778,465.76, 13,166,368.08 and 2,389,216 is: 3,583,461.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778,465.76 : 13,166,368.08 = 2,389,216 : x
  2. Step 2: Convert to fraction form
    8,778,465.76/13,166,368.08 = 2,389,216/x
  3. Step 3: Cross multiply
    8,778,465.76x = 13,166,368.08 × 2,389,216
  4. Step 4: Simplify right side
    8,778,465.76x = 31,457,297,278,625.28
  5. Step 5: Solve for x
    x = 31,457,297,278,625.28/8,778,465.76
  6. Step 6: Final answer
    x = 3,583,461.86

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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.