Home / 12,029,870.61-18,037,599.84-3,828,970.53

Finding the Fourth Proportional to 12,029,870.61, 18,037,599.84 and 3,828,970.53

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Solution

The fourth proportional to 12,029,870.61, 18,037,599.84 and 3,828,970.53 is: 5,741,162.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029,870.61 : 18,037,599.84 = 3,828,970.53 : x
  2. Step 2: Convert to fraction form
    12,029,870.61/18,037,599.84 = 3,828,970.53/x
  3. Step 3: Cross multiply
    12,029,870.61x = 18,037,599.84 × 3,828,970.53
  4. Step 4: Simplify right side
    12,029,870.61x = 69,065,438,219,292.71
  5. Step 5: Solve for x
    x = 69,065,438,219,292.71/12,029,870.61
  6. Step 6: Final answer
    x = 5,741,162.18

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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.