Home / 28,015,847.12-42,025,058.58-8,583,681.44

Finding the Fourth Proportional to 28,015,847.12, 42,025,058.58 and 8,583,681.44

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Solution

The fourth proportional to 28,015,847.12, 42,025,058.58 and 8,583,681.44 is: 12,875,916.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,015,847.12 : 42,025,058.58 = 8,583,681.44 : x
  2. Step 2: Convert to fraction form
    28,015,847.12/42,025,058.58 = 8,583,681.44/x
  3. Step 3: Cross multiply
    28,015,847.12x = 42,025,058.58 × 8,583,681.44
  4. Step 4: Simplify right side
    28,015,847.12x = 360,729,715,348,058.69
  5. Step 5: Solve for x
    x = 360,729,715,348,058.69/28,015,847.12
  6. Step 6: Final answer
    x = 12,875,916.76

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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.