Home / 18,683,429.10-28,025,143.65-8,586,050.10

Finding the Fourth Proportional to 18,683,429.10, 28,025,143.65 and 8,586,050.10

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Solution

The fourth proportional to 18,683,429.10, 28,025,143.65 and 8,586,050.10 is: 12,879,075.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683,429.10 : 28,025,143.65 = 8,586,050.10 : x
  2. Step 2: Convert to fraction form
    18,683,429.10/28,025,143.65 = 8,586,050.10/x
  3. Step 3: Cross multiply
    18,683,429.10x = 28,025,143.65 × 8,586,050.10
  4. Step 4: Simplify right side
    18,683,429.10x = 240,625,287,438,596.84
  5. Step 5: Solve for x
    x = 240,625,287,438,596.84/18,683,429.10
  6. Step 6: Final answer
    x = 12,879,075.15

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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.