Home / 13,126,347.17-18,114,362.38-7,245,984.77

Finding the Fourth Proportional to 13,126,347.17, 18,114,362.38 and 7,245,984.77

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Solution

The fourth proportional to 13,126,347.17, 18,114,362.38 and 7,245,984.77 is: 9,999,460.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126,347.17 : 18,114,362.38 = 7,245,984.77 : x
  2. Step 2: Convert to fraction form
    13,126,347.17/18,114,362.38 = 7,245,984.77/x
  3. Step 3: Cross multiply
    13,126,347.17x = 18,114,362.38 × 7,245,984.77
  4. Step 4: Simplify right side
    13,126,347.17x = 131,256,393,978,084.34
  5. Step 5: Solve for x
    x = 131,256,393,978,084.34/13,126,347.17
  6. Step 6: Final answer
    x = 9,999,460.80

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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.