Home / 13,831,762.10-20,733,646.35-8,149,061.30

Finding the Fourth Proportional to 13,831,762.10, 20,733,646.35 and 8,149,061.30

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Solution

The fourth proportional to 13,831,762.10, 20,733,646.35 and 8,149,061.30 is: 12,215,345.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831,762.10 : 20,733,646.35 = 8,149,061.30 : x
  2. Step 2: Convert to fraction form
    13,831,762.10/20,733,646.35 = 8,149,061.30/x
  3. Step 3: Cross multiply
    13,831,762.10x = 20,733,646.35 × 8,149,061.30
  4. Step 4: Simplify right side
    13,831,762.10x = 168,959,755,078,671.25
  5. Step 5: Solve for x
    x = 168,959,755,078,671.25/13,831,762.10
  6. Step 6: Final answer
    x = 12,215,345.66

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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.