Home / 13,063,560.84-18,028,328.76-7,262,439.12

Finding the Fourth Proportional to 13,063,560.84, 18,028,328.76 and 7,262,439.12

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Solution

The fourth proportional to 13,063,560.84, 18,028,328.76 and 7,262,439.12 is: 10,022,507.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,063,560.84 : 18,028,328.76 = 7,262,439.12 : x
  2. Step 2: Convert to fraction form
    13,063,560.84/18,028,328.76 = 7,262,439.12/x
  3. Step 3: Cross multiply
    13,063,560.84x = 18,028,328.76 × 7,262,439.12
  4. Step 4: Simplify right side
    13,063,560.84x = 130,929,640,054,845.11
  5. Step 5: Solve for x
    x = 130,929,640,054,845.11/13,063,560.84
  6. Step 6: Final answer
    x = 10,022,507.77

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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.