Home / 10,028,474.40-15,017,828.40-8,037,818.40

Finding the Fourth Proportional to 10,028,474.40, 15,017,828.40 and 8,037,818.40

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Solution

The fourth proportional to 10,028,474.40, 15,017,828.40 and 8,037,818.40 is: 12,036,783.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,028,474.40 : 15,017,828.40 = 8,037,818.40 : x
  2. Step 2: Convert to fraction form
    10,028,474.40/15,017,828.40 = 8,037,818.40/x
  3. Step 3: Cross multiply
    10,028,474.40x = 15,017,828.40 × 8,037,818.40
  4. Step 4: Simplify right side
    10,028,474.40x = 120,710,577,441,562.56
  5. Step 5: Solve for x
    x = 120,710,577,441,562.56/10,028,474.40
  6. Step 6: Final answer
    x = 12,036,783.72

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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.