Home / 12,807,106.68-17,673,801.26-7,005,886.80

Finding the Fourth Proportional to 12,807,106.68, 17,673,801.26 and 7,005,886.80

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Solution

The fourth proportional to 12,807,106.68, 17,673,801.26 and 7,005,886.80 is: 9,668,120.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,807,106.68 : 17,673,801.26 = 7,005,886.80 : x
  2. Step 2: Convert to fraction form
    12,807,106.68/17,673,801.26 = 7,005,886.80/x
  3. Step 3: Cross multiply
    12,807,106.68x = 17,673,801.26 × 7,005,886.80
  4. Step 4: Simplify right side
    12,807,106.68x = 123,820,650,953,257.38
  5. Step 5: Solve for x
    x = 123,820,650,953,257.38/12,807,106.68
  6. Step 6: Final answer
    x = 9,668,120.52

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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.