Home / 10,621,787.40-15,932,656.80-4,552,583.76

Finding the Fourth Proportional to 10,621,787.40, 15,932,656.80 and 4,552,583.76

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Solution

The fourth proportional to 10,621,787.40, 15,932,656.80 and 4,552,583.76 is: 6,828,865.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621,787.40 : 15,932,656.80 = 4,552,583.76 : x
  2. Step 2: Convert to fraction form
    10,621,787.40/15,932,656.80 = 4,552,583.76/x
  3. Step 3: Cross multiply
    10,621,787.40x = 15,932,656.80 × 4,552,583.76
  4. Step 4: Simplify right side
    10,621,787.40x = 72,534,754,601,333.56
  5. Step 5: Solve for x
    x = 72,534,754,601,333.56/10,621,787.40
  6. Step 6: Final answer
    x = 6,828,865.22

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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.