Home / 14,227,905.80-21,313,865.10-8,531,208.20

Finding the Fourth Proportional to 14,227,905.80, 21,313,865.10 and 8,531,208.20

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Solution

The fourth proportional to 14,227,905.80, 21,313,865.10 and 8,531,208.20 is: 12,780,027.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,227,905.80 : 21,313,865.10 = 8,531,208.20 : x
  2. Step 2: Convert to fraction form
    14,227,905.80/21,313,865.10 = 8,531,208.20/x
  3. Step 3: Cross multiply
    14,227,905.80x = 21,313,865.10 × 8,531,208.20
  4. Step 4: Simplify right side
    14,227,905.80x = 181,833,020,714,813.81
  5. Step 5: Solve for x
    x = 181,833,020,714,813.81/14,227,905.80
  6. Step 6: Final answer
    x = 12,780,027.03

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1.5x scale

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.