Home / 12,501,751.62-18,739,839.93-8,458,666.62

Finding the Fourth Proportional to 12,501,751.62, 18,739,839.93 and 8,458,666.62

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Solution

The fourth proportional to 12,501,751.62, 18,739,839.93 and 8,458,666.62 is: 12,679,347.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,501,751.62 : 18,739,839.93 = 8,458,666.62 : x
  2. Step 2: Convert to fraction form
    12,501,751.62/18,739,839.93 = 8,458,666.62/x
  3. Step 3: Cross multiply
    12,501,751.62x = 18,739,839.93 × 8,458,666.62
  4. Step 4: Simplify right side
    12,501,751.62x = 158,514,058,480,034.12
  5. Step 5: Solve for x
    x = 158,514,058,480,034.12/12,501,751.62
  6. Step 6: Final answer
    x = 12,679,347.93

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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.