Home / 10,861,787.40-16,294,868.10-3,185,417.40

Finding the Fourth Proportional to 10,861,787.40, 16,294,868.10 and 3,185,417.40

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Solution

The fourth proportional to 10,861,787.40, 16,294,868.10 and 3,185,417.40 is: 4,778,767.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,861,787.40 : 16,294,868.10 = 3,185,417.40 : x
  2. Step 2: Convert to fraction form
    10,861,787.40/16,294,868.10 = 3,185,417.40/x
  3. Step 3: Cross multiply
    10,861,787.40x = 16,294,868.10 × 3,185,417.40
  4. Step 4: Simplify right side
    10,861,787.40x = 51,905,956,376,444.94
  5. Step 5: Solve for x
    x = 51,905,956,376,444.94/10,861,787.40
  6. Step 6: Final answer
    x = 4,778,767.48

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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.