Home / 14,762,389.19-20,372,109.77-8,236,019.66

Finding the Fourth Proportional to 14,762,389.19, 20,372,109.77 and 8,236,019.66

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Solution

The fourth proportional to 14,762,389.19, 20,372,109.77 and 8,236,019.66 is: 11,365,714.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,762,389.19 : 20,372,109.77 = 8,236,019.66 : x
  2. Step 2: Convert to fraction form
    14,762,389.19/20,372,109.77 = 8,236,019.66/x
  3. Step 3: Cross multiply
    14,762,389.19x = 20,372,109.77 × 8,236,019.66
  4. Step 4: Simplify right side
    14,762,389.19x = 167,785,096,500,127.59
  5. Step 5: Solve for x
    x = 167,785,096,500,127.59/14,762,389.19
  6. Step 6: Final answer
    x = 11,365,714.21

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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.