Home / 14,189,365.80-21,284,048.70-8,515,996.20

Finding the Fourth Proportional to 14,189,365.80, 21,284,048.70 and 8,515,996.20

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Solution

The fourth proportional to 14,189,365.80, 21,284,048.70 and 8,515,996.20 is: 12,773,994.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,189,365.80 : 21,284,048.70 = 8,515,996.20 : x
  2. Step 2: Convert to fraction form
    14,189,365.80/21,284,048.70 = 8,515,996.20/x
  3. Step 3: Cross multiply
    14,189,365.80x = 21,284,048.70 × 8,515,996.20
  4. Step 4: Simplify right side
    14,189,365.80x = 181,254,877,849,814.91
  5. Step 5: Solve for x
    x = 181,254,877,849,814.91/14,189,365.80
  6. Step 6: Final answer
    x = 12,773,994.30

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Double scale
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Similar ratio
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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.