Home / 14,680,988.12-20,265,413.70-9,784,423.49

Finding the Fourth Proportional to 14,680,988.12, 20,265,413.70 and 9,784,423.49

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Solution

The fourth proportional to 14,680,988.12, 20,265,413.70 and 9,784,423.49 is: 13,506,270.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,680,988.12 : 20,265,413.70 = 9,784,423.49 : x
  2. Step 2: Convert to fraction form
    14,680,988.12/20,265,413.70 = 9,784,423.49/x
  3. Step 3: Cross multiply
    14,680,988.12x = 20,265,413.70 × 9,784,423.49
  4. Step 4: Simplify right side
    14,680,988.12x = 198,285,389,840,847.81
  5. Step 5: Solve for x
    x = 198,285,389,840,847.81/14,680,988.12
  6. Step 6: Final answer
    x = 13,506,270.03

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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.