Home / 7,939,038.56-11,913,866.78-3,391,150.19

Finding the Fourth Proportional to 7,939,038.56, 11,913,866.78 and 3,391,150.19

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Solution

The fourth proportional to 7,939,038.56, 11,913,866.78 and 3,391,150.19 is: 5,088,992.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939,038.56 : 11,913,866.78 = 3,391,150.19 : x
  2. Step 2: Convert to fraction form
    7,939,038.56/11,913,866.78 = 3,391,150.19/x
  3. Step 3: Cross multiply
    7,939,038.56x = 11,913,866.78 × 3,391,150.19
  4. Step 4: Simplify right side
    7,939,038.56x = 40,401,711,518,106.60
  5. Step 5: Solve for x
    x = 40,401,711,518,106.60/7,939,038.56
  6. Step 6: Final answer
    x = 5,088,992.99

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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.