Home / 28,402,499.85-39,177,274.46-19,697,496.27

Finding the Fourth Proportional to 28,402,499.85, 39,177,274.46 and 19,697,496.27

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Solution

The fourth proportional to 28,402,499.85, 39,177,274.46 and 19,697,496.27 is: 27,169,940.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,402,499.85 : 39,177,274.46 = 19,697,496.27 : x
  2. Step 2: Convert to fraction form
    28,402,499.85/39,177,274.46 = 19,697,496.27/x
  3. Step 3: Cross multiply
    28,402,499.85x = 39,177,274.46 × 19,697,496.27
  4. Step 4: Simplify right side
    28,402,499.85x = 771,694,217,299,214
  5. Step 5: Solve for x
    x = 771,694,217,299,214/28,402,499.85
  6. Step 6: Final answer
    x = 27,169,940.02

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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.