Home / 12,400,335.90-18,603,647.66-8,764,219.98

Finding the Fourth Proportional to 12,400,335.90, 18,603,647.66 and 8,764,219.98

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Solution

The fourth proportional to 12,400,335.90, 18,603,647.66 and 8,764,219.98 is: 13,148,551.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,400,335.90 : 18,603,647.66 = 8,764,219.98 : x
  2. Step 2: Convert to fraction form
    12,400,335.90/18,603,647.66 = 8,764,219.98/x
  3. Step 3: Cross multiply
    12,400,335.90x = 18,603,647.66 × 8,764,219.98
  4. Step 4: Simplify right side
    12,400,335.90x = 163,046,460,544,562.81
  5. Step 5: Solve for x
    x = 163,046,460,544,562.81/12,400,335.90
  6. Step 6: Final answer
    x = 13,148,551.93

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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.