Home / 8,870,413.30-12,238,857.10-5,197,356.37

Finding the Fourth Proportional to 8,870,413.30, 12,238,857.10 and 5,197,356.37

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Solution

The fourth proportional to 8,870,413.30, 12,238,857.10 and 5,197,356.37 is: 7,170,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870,413.30 : 12,238,857.10 = 5,197,356.37 : x
  2. Step 2: Convert to fraction form
    8,870,413.30/12,238,857.10 = 5,197,356.37/x
  3. Step 3: Cross multiply
    8,870,413.30x = 12,238,857.10 × 5,197,356.37
  4. Step 4: Simplify right side
    8,870,413.30x = 63,609,701,866,614.19
  5. Step 5: Solve for x
    x = 63,609,701,866,614.19/8,870,413.30
  6. Step 6: Final answer
    x = 7,170,996.40

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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.