Home / 28,610,624.86-39,481,460.42-16,221,551.74

Finding the Fourth Proportional to 28,610,624.86, 39,481,460.42 and 16,221,551.74

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Solution

The fourth proportional to 28,610,624.86, 39,481,460.42 and 16,221,551.74 is: 22,385,059.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,610,624.86 : 39,481,460.42 = 16,221,551.74 : x
  2. Step 2: Convert to fraction form
    28,610,624.86/39,481,460.42 = 16,221,551.74/x
  3. Step 3: Cross multiply
    28,610,624.86x = 39,481,460.42 × 16,221,551.74
  4. Step 4: Simplify right side
    28,610,624.86x = 640,450,552,973,792.12
  5. Step 5: Solve for x
    x = 640,450,552,973,792.12/28,610,624.86
  6. Step 6: Final answer
    x = 22,385,059.96

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1.5x scale

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.