Home / 13,046,555.88-18,004,487.40-7,245,878.76

Finding the Fourth Proportional to 13,046,555.88, 18,004,487.40 and 7,245,878.76

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Solution

The fourth proportional to 13,046,555.88, 18,004,487.40 and 7,245,878.76 is: 9,999,446.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,046,555.88 : 18,004,487.40 = 7,245,878.76 : x
  2. Step 2: Convert to fraction form
    13,046,555.88/18,004,487.40 = 7,245,878.76/x
  3. Step 3: Cross multiply
    13,046,555.88x = 18,004,487.40 × 7,245,878.76
  4. Step 4: Simplify right side
    13,046,555.88x = 130,458,332,836,347.61
  5. Step 5: Solve for x
    x = 130,458,332,836,347.61/13,046,555.88
  6. Step 6: Final answer
    x = 9,999,446.14

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Double scale
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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.