Home / 12,841,176.81-17,720,819.64-7,039,834.10

Finding the Fourth Proportional to 12,841,176.81, 17,720,819.64 and 7,039,834.10

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Solution

The fourth proportional to 12,841,176.81, 17,720,819.64 and 7,039,834.10 is: 9,714,968.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,841,176.81 : 17,720,819.64 = 7,039,834.10 : x
  2. Step 2: Convert to fraction form
    12,841,176.81/17,720,819.64 = 7,039,834.10/x
  3. Step 3: Cross multiply
    12,841,176.81x = 17,720,819.64 × 7,039,834.10
  4. Step 4: Simplify right side
    12,841,176.81x = 124,751,630,293,017.62
  5. Step 5: Solve for x
    x = 124,751,630,293,017.62/12,841,176.81
  6. Step 6: Final answer
    x = 9,714,968.66

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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.