Home / 7,210,364.18-10,815,264.39-1,818,947.48

Finding the Fourth Proportional to 7,210,364.18, 10,815,264.39 and 1,818,947.48

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Solution

The fourth proportional to 7,210,364.18, 10,815,264.39 and 1,818,947.48 is: 2,728,350.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210,364.18 : 10,815,264.39 = 1,818,947.48 : x
  2. Step 2: Convert to fraction form
    7,210,364.18/10,815,264.39 = 1,818,947.48/x
  3. Step 3: Cross multiply
    7,210,364.18x = 10,815,264.39 × 1,818,947.48
  4. Step 4: Simplify right side
    7,210,364.18x = 19,672,397,887,384.11
  5. Step 5: Solve for x
    x = 19,672,397,887,384.11/7,210,364.18
  6. Step 6: Final answer
    x = 2,728,350.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.