Home / 13,039,243.20-19,558,864.80-9,680,011.20

Finding the Fourth Proportional to 13,039,243.20, 19,558,864.80 and 9,680,011.20

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Solution

The fourth proportional to 13,039,243.20, 19,558,864.80 and 9,680,011.20 is: 14,520,016.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,039,243.20 : 19,558,864.80 = 9,680,011.20 : x
  2. Step 2: Convert to fraction form
    13,039,243.20/19,558,864.80 = 9,680,011.20/x
  3. Step 3: Cross multiply
    13,039,243.20x = 19,558,864.80 × 9,680,011.20
  4. Step 4: Simplify right side
    13,039,243.20x = 189,330,030,323,285.75
  5. Step 5: Solve for x
    x = 189,330,030,323,285.75/13,039,243.20
  6. Step 6: Final answer
    x = 14,520,016.80

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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.