Home / 13,122,145.80-19,683,218.70-8,333,271.90

Finding the Fourth Proportional to 13,122,145.80, 19,683,218.70 and 8,333,271.90

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Solution

The fourth proportional to 13,122,145.80, 19,683,218.70 and 8,333,271.90 is: 12,499,907.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122,145.80 : 19,683,218.70 = 8,333,271.90 : x
  2. Step 2: Convert to fraction form
    13,122,145.80/19,683,218.70 = 8,333,271.90/x
  3. Step 3: Cross multiply
    13,122,145.80x = 19,683,218.70 × 8,333,271.90
  4. Step 4: Simplify right side
    13,122,145.80x = 164,025,613,294,264.53
  5. Step 5: Solve for x
    x = 164,025,613,294,264.53/13,122,145.80
  6. Step 6: Final answer
    x = 12,499,907.85

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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.