Home / 13,363,099.76-18,441,127.80-7,251,529.52

Finding the Fourth Proportional to 13,363,099.76, 18,441,127.80 and 7,251,529.52

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Solution

The fourth proportional to 13,363,099.76, 18,441,127.80 and 7,251,529.52 is: 10,007,137.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363,099.76 : 18,441,127.80 = 7,251,529.52 : x
  2. Step 2: Convert to fraction form
    13,363,099.76/18,441,127.80 = 7,251,529.52/x
  3. Step 3: Cross multiply
    13,363,099.76x = 18,441,127.80 × 7,251,529.52
  4. Step 4: Simplify right side
    13,363,099.76x = 133,726,382,623,792.66
  5. Step 5: Solve for x
    x = 133,726,382,623,792.66/13,363,099.76
  6. Step 6: Final answer
    x = 10,007,137.94

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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.