Home / 13,347,583.38-18,419,499.16-7,841,460.14

Finding the Fourth Proportional to 13,347,583.38, 18,419,499.16 and 7,841,460.14

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Solution

The fourth proportional to 13,347,583.38, 18,419,499.16 and 7,841,460.14 is: 10,821,117.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,347,583.38 : 18,419,499.16 = 7,841,460.14 : x
  2. Step 2: Convert to fraction form
    13,347,583.38/18,419,499.16 = 7,841,460.14/x
  3. Step 3: Cross multiply
    13,347,583.38x = 18,419,499.16 × 7,841,460.14
  4. Step 4: Simplify right side
    13,347,583.38x = 144,435,768,461,903.47
  5. Step 5: Solve for x
    x = 144,435,768,461,903.47/13,347,583.38
  6. Step 6: Final answer
    x = 10,821,117.53

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1.5x scale

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.