Home / 13,902,275.40-20,853,413.10-4,318,622.70

Finding the Fourth Proportional to 13,902,275.40, 20,853,413.10 and 4,318,622.70

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Solution

The fourth proportional to 13,902,275.40, 20,853,413.10 and 4,318,622.70 is: 6,477,934.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902,275.40 : 20,853,413.10 = 4,318,622.70 : x
  2. Step 2: Convert to fraction form
    13,902,275.40/20,853,413.10 = 4,318,622.70/x
  3. Step 3: Cross multiply
    13,902,275.40x = 20,853,413.10 × 4,318,622.70
  4. Step 4: Simplify right side
    13,902,275.40x = 90,058,023,186,137.38
  5. Step 5: Solve for x
    x = 90,058,023,186,137.38/13,902,275.40
  6. Step 6: Final answer
    x = 6,477,934.05

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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.