Home / 15,316,413.82-21,136,650.74-8,440,895.88

Finding the Fourth Proportional to 15,316,413.82, 21,136,650.74 and 8,440,895.88

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Solution

The fourth proportional to 15,316,413.82, 21,136,650.74 and 8,440,895.88 is: 11,648,436.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,316,413.82 : 21,136,650.74 = 8,440,895.88 : x
  2. Step 2: Convert to fraction form
    15,316,413.82/21,136,650.74 = 8,440,895.88/x
  3. Step 3: Cross multiply
    15,316,413.82x = 21,136,650.74 × 8,440,895.88
  4. Step 4: Simplify right side
    15,316,413.82x = 178,412,268,148,264.97
  5. Step 5: Solve for x
    x = 178,412,268,148,264.97/15,316,413.82
  6. Step 6: Final answer
    x = 11,648,436.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.