Home / 18,621,681.96-27,932,538.36-8,904,008.52

Finding the Fourth Proportional to 18,621,681.96, 27,932,538.36 and 8,904,008.52

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Solution

The fourth proportional to 18,621,681.96, 27,932,538.36 and 8,904,008.52 is: 13,356,020.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,621,681.96 : 27,932,538.36 = 8,904,008.52 : x
  2. Step 2: Convert to fraction form
    18,621,681.96/27,932,538.36 = 8,904,008.52/x
  3. Step 3: Cross multiply
    18,621,681.96x = 27,932,538.36 × 8,904,008.52
  4. Step 4: Simplify right side
    18,621,681.96x = 248,711,559,542,666.81
  5. Step 5: Solve for x
    x = 248,711,559,542,666.81/18,621,681.96
  6. Step 6: Final answer
    x = 13,356,020.15

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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.