Home / 28,977,497.16-43,409,451.78-16,821,470.76

Finding the Fourth Proportional to 28,977,497.16, 43,409,451.78 and 16,821,470.76

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Solution

The fourth proportional to 28,977,497.16, 43,409,451.78 and 16,821,470.76 is: 25,199,237.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977,497.16 : 43,409,451.78 = 16,821,470.76 : x
  2. Step 2: Convert to fraction form
    28,977,497.16/43,409,451.78 = 16,821,470.76/x
  3. Step 3: Cross multiply
    28,977,497.16x = 43,409,451.78 × 16,821,470.76
  4. Step 4: Simplify right side
    28,977,497.16x = 730,210,823,824,900
  5. Step 5: Solve for x
    x = 730,210,823,824,900/28,977,497.16
  6. Step 6: Final answer
    x = 25,199,237.18

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1.5x scale

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.