Home / 10,013,956.86-13,819,260.42-5,430,281.88

Finding the Fourth Proportional to 10,013,956.86, 13,819,260.42 and 5,430,281.88

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Solution

The fourth proportional to 10,013,956.86, 13,819,260.42 and 5,430,281.88 is: 7,493,788.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,013,956.86 : 13,819,260.42 = 5,430,281.88 : x
  2. Step 2: Convert to fraction form
    10,013,956.86/13,819,260.42 = 5,430,281.88/x
  3. Step 3: Cross multiply
    10,013,956.86x = 13,819,260.42 × 5,430,281.88
  4. Step 4: Simplify right side
    10,013,956.86x = 75,042,479,453,727.19
  5. Step 5: Solve for x
    x = 75,042,479,453,727.19/10,013,956.86
  6. Step 6: Final answer
    x = 7,493,788.97

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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.