Home / 13,280,424.80-19,904,890.80-11,926,234.40

Finding the Fourth Proportional to 13,280,424.80, 19,904,890.80 and 11,926,234.40

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Solution

The fourth proportional to 13,280,424.80, 19,904,890.80 and 11,926,234.40 is: 17,875,210.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280,424.80 : 19,904,890.80 = 11,926,234.40 : x
  2. Step 2: Convert to fraction form
    13,280,424.80/19,904,890.80 = 11,926,234.40/x
  3. Step 3: Cross multiply
    13,280,424.80x = 19,904,890.80 × 11,926,234.40
  4. Step 4: Simplify right side
    13,280,424.80x = 237,390,393,387,203.53
  5. Step 5: Solve for x
    x = 237,390,393,387,203.53/13,280,424.80
  6. Step 6: Final answer
    x = 17,875,210.84

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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.