Home / 10,369,911.74-15,555,615.15-3,980,164.10

Finding the Fourth Proportional to 10,369,911.74, 15,555,615.15 and 3,980,164.10

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Solution

The fourth proportional to 10,369,911.74, 15,555,615.15 and 3,980,164.10 is: 5,970,533.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,911.74 : 15,555,615.15 = 3,980,164.10 : x
  2. Step 2: Convert to fraction form
    10,369,911.74/15,555,615.15 = 3,980,164.10/x
  3. Step 3: Cross multiply
    10,369,911.74x = 15,555,615.15 × 3,980,164.10
  4. Step 4: Simplify right side
    10,369,911.74x = 61,913,900,973,446.12
  5. Step 5: Solve for x
    x = 61,913,900,973,446.12/10,369,911.74
  6. Step 6: Final answer
    x = 5,970,533.07

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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.