Home / 30,874,037.72-46,315,328.40-10,409,610.32

Finding the Fourth Proportional to 30,874,037.72, 46,315,328.40 and 10,409,610.32

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Solution

The fourth proportional to 30,874,037.72, 46,315,328.40 and 10,409,610.32 is: 15,615,855.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,874,037.72 : 46,315,328.40 = 10,409,610.32 : x
  2. Step 2: Convert to fraction form
    30,874,037.72/46,315,328.40 = 10,409,610.32/x
  3. Step 3: Cross multiply
    30,874,037.72x = 46,315,328.40 × 10,409,610.32
  4. Step 4: Simplify right side
    30,874,037.72x = 482,124,520,486,829.06
  5. Step 5: Solve for x
    x = 482,124,520,486,829.06/30,874,037.72
  6. Step 6: Final answer
    x = 15,615,855.78

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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.