Home / 13,610,741.23-18,782,718.58-7,415,768.49

Finding the Fourth Proportional to 13,610,741.23, 18,782,718.58 and 7,415,768.49

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Solution

The fourth proportional to 13,610,741.23, 18,782,718.58 and 7,415,768.49 is: 10,233,703.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,610,741.23 : 18,782,718.58 = 7,415,768.49 : x
  2. Step 2: Convert to fraction form
    13,610,741.23/18,782,718.58 = 7,415,768.49/x
  3. Step 3: Cross multiply
    13,610,741.23x = 18,782,718.58 × 7,415,768.49
  4. Step 4: Simplify right side
    13,610,741.23x = 139,288,292,602,101.53
  5. Step 5: Solve for x
    x = 139,288,292,602,101.53/13,610,741.23
  6. Step 6: Final answer
    x = 10,233,703.68

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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.