Home / 15,049,814.52-20,768,390.73-8,855,262.45

Finding the Fourth Proportional to 15,049,814.52, 20,768,390.73 and 8,855,262.45

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Solution

The fourth proportional to 15,049,814.52, 20,768,390.73 and 8,855,262.45 is: 12,220,054.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,049,814.52 : 20,768,390.73 = 8,855,262.45 : x
  2. Step 2: Convert to fraction form
    15,049,814.52/20,768,390.73 = 8,855,262.45/x
  3. Step 3: Cross multiply
    15,049,814.52x = 20,768,390.73 × 8,855,262.45
  4. Step 4: Simplify right side
    15,049,814.52x = 183,909,550,578,297.06
  5. Step 5: Solve for x
    x = 183,909,550,578,297.06/15,049,814.52
  6. Step 6: Final answer
    x = 12,220,054.30

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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.