Home / 13,770,033.60-20,636,154.56-8,712,289.92

Finding the Fourth Proportional to 13,770,033.60, 20,636,154.56 and 8,712,289.92

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Solution

The fourth proportional to 13,770,033.60, 20,636,154.56 and 8,712,289.92 is: 13,056,479.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,770,033.60 : 20,636,154.56 = 8,712,289.92 : x
  2. Step 2: Convert to fraction form
    13,770,033.60/20,636,154.56 = 8,712,289.92/x
  3. Step 3: Cross multiply
    13,770,033.60x = 20,636,154.56 × 8,712,289.92
  4. Step 4: Simplify right side
    13,770,033.60x = 179,788,161,360,650.03
  5. Step 5: Solve for x
    x = 179,788,161,360,650.03/13,770,033.60
  6. Step 6: Final answer
    x = 13,056,479.50

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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.