Home / 8,778,407.69-13,166,281.10-2,389,157.93

Finding the Fourth Proportional to 8,778,407.69, 13,166,281.10 and 2,389,157.93

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Solution

The fourth proportional to 8,778,407.69, 13,166,281.10 and 2,389,157.93 is: 3,583,374.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778,407.69 : 13,166,281.10 = 2,389,157.93 : x
  2. Step 2: Convert to fraction form
    8,778,407.69/13,166,281.10 = 2,389,157.93/x
  3. Step 3: Cross multiply
    8,778,407.69x = 13,166,281.10 × 2,389,157.93
  4. Step 4: Simplify right side
    8,778,407.69x = 31,456,324,820,896.93
  5. Step 5: Solve for x
    x = 31,456,324,820,896.93/8,778,407.69
  6. Step 6: Final answer
    x = 3,583,374.79

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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.