Home / 15,751,752.25-21,737,289.40-8,782,347.01

Finding the Fourth Proportional to 15,751,752.25, 21,737,289.40 and 8,782,347.01

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Solution

The fourth proportional to 15,751,752.25, 21,737,289.40 and 8,782,347.01 is: 12,119,567.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,751,752.25 : 21,737,289.40 = 8,782,347.01 : x
  2. Step 2: Convert to fraction form
    15,751,752.25/21,737,289.40 = 8,782,347.01/x
  3. Step 3: Cross multiply
    15,751,752.25x = 21,737,289.40 × 8,782,347.01
  4. Step 4: Simplify right side
    15,751,752.25x = 190,904,418,523,682.94
  5. Step 5: Solve for x
    x = 190,904,418,523,682.94/15,751,752.25
  6. Step 6: Final answer
    x = 12,119,567.11

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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.