Home / 14,242,715.65-21,338,387.16-8,768,282.86

Finding the Fourth Proportional to 14,242,715.65, 21,338,387.16 and 8,768,282.86

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Solution

The fourth proportional to 14,242,715.65, 21,338,387.16 and 8,768,282.86 is: 13,136,610.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,242,715.65 : 21,338,387.16 = 8,768,282.86 : x
  2. Step 2: Convert to fraction form
    14,242,715.65/21,338,387.16 = 8,768,282.86/x
  3. Step 3: Cross multiply
    14,242,715.65x = 21,338,387.16 × 8,768,282.86
  4. Step 4: Simplify right side
    14,242,715.65x = 187,101,014,395,072.06
  5. Step 5: Solve for x
    x = 187,101,014,395,072.06/14,242,715.65
  6. Step 6: Final answer
    x = 13,136,610.95

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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.