Home / 12,966,413.76-19,443,516.48-7,576,620.30

Finding the Fourth Proportional to 12,966,413.76, 19,443,516.48 and 7,576,620.30

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Solution

The fourth proportional to 12,966,413.76, 19,443,516.48 and 7,576,620.30 is: 11,361,363.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,966,413.76 : 19,443,516.48 = 7,576,620.30 : x
  2. Step 2: Convert to fraction form
    12,966,413.76/19,443,516.48 = 7,576,620.30/x
  3. Step 3: Cross multiply
    12,966,413.76x = 19,443,516.48 × 7,576,620.30
  4. Step 4: Simplify right side
    12,966,413.76x = 147,316,141,665,752.53
  5. Step 5: Solve for x
    x = 147,316,141,665,752.53/12,966,413.76
  6. Step 6: Final answer
    x = 11,361,363.63

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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.