Home / 30,409,732.40-45,615,065.16-10,215,149.36

Finding the Fourth Proportional to 30,409,732.40, 45,615,065.16 and 10,215,149.36

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Solution

The fourth proportional to 30,409,732.40, 45,615,065.16 and 10,215,149.36 is: 15,322,880.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,409,732.40 : 45,615,065.16 = 10,215,149.36 : x
  2. Step 2: Convert to fraction form
    30,409,732.40/45,615,065.16 = 10,215,149.36/x
  3. Step 3: Cross multiply
    30,409,732.40x = 45,615,065.16 × 10,215,149.36
  4. Step 4: Simplify right side
    30,409,732.40x = 465,964,703,675,532.25
  5. Step 5: Solve for x
    x = 465,964,703,675,532.25/30,409,732.40
  6. Step 6: Final answer
    x = 15,322,880.77

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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.