Home / 13,054,236.95-18,015,333.17-7,828,095.98

Finding the Fourth Proportional to 13,054,236.95, 18,015,333.17 and 7,828,095.98

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Solution

The fourth proportional to 13,054,236.95, 18,015,333.17 and 7,828,095.98 is: 10,803,063.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,054,236.95 : 18,015,333.17 = 7,828,095.98 : x
  2. Step 2: Convert to fraction form
    13,054,236.95/18,015,333.17 = 7,828,095.98/x
  3. Step 3: Cross multiply
    13,054,236.95x = 18,015,333.17 × 7,828,095.98
  4. Step 4: Simplify right side
    13,054,236.95x = 141,025,757,037,220.50
  5. Step 5: Solve for x
    x = 141,025,757,037,220.50/13,054,236.95
  6. Step 6: Final answer
    x = 10,803,063.99

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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.