Home / 14,683,385.16-20,254,908.60-13,644,216.72

Finding the Fourth Proportional to 14,683,385.16, 20,254,908.60 and 13,644,216.72

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Solution

The fourth proportional to 14,683,385.16, 20,254,908.60 and 13,644,216.72 is: 18,821,433.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,683,385.16 : 20,254,908.60 = 13,644,216.72 : x
  2. Step 2: Convert to fraction form
    14,683,385.16/20,254,908.60 = 13,644,216.72/x
  3. Step 3: Cross multiply
    14,683,385.16x = 20,254,908.60 × 13,644,216.72
  4. Step 4: Simplify right side
    14,683,385.16x = 276,362,362,582,191.81
  5. Step 5: Solve for x
    x = 276,362,362,582,191.81/14,683,385.16
  6. Step 6: Final answer
    x = 18,821,433.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.