Home / 7,115,635.20-9,819,457.92-3,852,423.48

Finding the Fourth Proportional to 7,115,635.20, 9,819,457.92 and 3,852,423.48

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Solution

The fourth proportional to 7,115,635.20, 9,819,457.92 and 3,852,423.48 is: 5,316,280.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115,635.20 : 9,819,457.92 = 3,852,423.48 : x
  2. Step 2: Convert to fraction form
    7,115,635.20/9,819,457.92 = 3,852,423.48/x
  3. Step 3: Cross multiply
    7,115,635.20x = 9,819,457.92 × 3,852,423.48
  4. Step 4: Simplify right side
    7,115,635.20x = 37,828,710,251,879.96
  5. Step 5: Solve for x
    x = 37,828,710,251,879.96/7,115,635.20
  6. Step 6: Final answer
    x = 5,316,280.16

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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.