Home / 20,659,044.96-30,988,314.72-9,291,466.08

Finding the Fourth Proportional to 20,659,044.96, 30,988,314.72 and 9,291,466.08

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Solution

The fourth proportional to 20,659,044.96, 30,988,314.72 and 9,291,466.08 is: 13,937,085.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,659,044.96 : 30,988,314.72 = 9,291,466.08 : x
  2. Step 2: Convert to fraction form
    20,659,044.96/30,988,314.72 = 9,291,466.08/x
  3. Step 3: Cross multiply
    20,659,044.96x = 30,988,314.72 × 9,291,466.08
  4. Step 4: Simplify right side
    20,659,044.96x = 287,926,875,097,244.69
  5. Step 5: Solve for x
    x = 287,926,875,097,244.69/20,659,044.96
  6. Step 6: Final answer
    x = 13,937,085.46

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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.