Home / 10,778,801.52-14,872,755.99-6,132,315.30

Finding the Fourth Proportional to 10,778,801.52, 14,872,755.99 and 6,132,315.30

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Solution

The fourth proportional to 10,778,801.52, 14,872,755.99 and 6,132,315.30 is: 8,461,462.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778,801.52 : 14,872,755.99 = 6,132,315.30 : x
  2. Step 2: Convert to fraction form
    10,778,801.52/14,872,755.99 = 6,132,315.30/x
  3. Step 3: Cross multiply
    10,778,801.52x = 14,872,755.99 × 6,132,315.30
  4. Step 4: Simplify right side
    10,778,801.52x = 91,204,429,110,643.64
  5. Step 5: Solve for x
    x = 91,204,429,110,643.64/10,778,801.52
  6. Step 6: Final answer
    x = 8,461,462.89

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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.