Home / 9,678,003.60-14,517,005.40-7,886,413.20

Finding the Fourth Proportional to 9,678,003.60, 14,517,005.40 and 7,886,413.20

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Solution

The fourth proportional to 9,678,003.60, 14,517,005.40 and 7,886,413.20 is: 11,829,619.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,678,003.60 : 14,517,005.40 = 7,886,413.20 : x
  2. Step 2: Convert to fraction form
    9,678,003.60/14,517,005.40 = 7,886,413.20/x
  3. Step 3: Cross multiply
    9,678,003.60x = 14,517,005.40 × 7,886,413.20
  4. Step 4: Simplify right side
    9,678,003.60x = 114,487,103,011,031.28
  5. Step 5: Solve for x
    x = 114,487,103,011,031.28/9,678,003.60
  6. Step 6: Final answer
    x = 11,829,619.80

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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.