Home / 13,587,357.69-18,743,406.48-8,076,812.94

Finding the Fourth Proportional to 13,587,357.69, 18,743,406.48 and 8,076,812.94

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Solution

The fourth proportional to 13,587,357.69, 18,743,406.48 and 8,076,812.94 is: 11,141,753.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,587,357.69 : 18,743,406.48 = 8,076,812.94 : x
  2. Step 2: Convert to fraction form
    13,587,357.69/18,743,406.48 = 8,076,812.94/x
  3. Step 3: Cross multiply
    13,587,357.69x = 18,743,406.48 × 8,076,812.94
  4. Step 4: Simplify right side
    13,587,357.69x = 151,386,987,997,343.88
  5. Step 5: Solve for x
    x = 151,386,987,997,343.88/13,587,357.69
  6. Step 6: Final answer
    x = 11,141,753.35

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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.