Home / 28,913,661.59-39,900,480.32-16,523,612.82

Finding the Fourth Proportional to 28,913,661.59, 39,900,480.32 and 16,523,612.82

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Solution

The fourth proportional to 28,913,661.59, 39,900,480.32 and 16,523,612.82 is: 22,802,372.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,913,661.59 : 39,900,480.32 = 16,523,612.82 : x
  2. Step 2: Convert to fraction form
    28,913,661.59/39,900,480.32 = 16,523,612.82/x
  3. Step 3: Cross multiply
    28,913,661.59x = 39,900,480.32 × 16,523,612.82
  4. Step 4: Simplify right side
    28,913,661.59x = 659,300,088,181,018.75
  5. Step 5: Solve for x
    x = 659,300,088,181,018.75/28,913,661.59
  6. Step 6: Final answer
    x = 22,802,372.72

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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.