Home / 12,208,219.60-18,280,836.60-9,688,795.60

Finding the Fourth Proportional to 12,208,219.60, 18,280,836.60 and 9,688,795.60

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Solution

The fourth proportional to 12,208,219.60, 18,280,836.60 and 9,688,795.60 is: 14,508,199.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,208,219.60 : 18,280,836.60 = 9,688,795.60 : x
  2. Step 2: Convert to fraction form
    12,208,219.60/18,280,836.60 = 9,688,795.60/x
  3. Step 3: Cross multiply
    12,208,219.60x = 18,280,836.60 × 9,688,795.60
  4. Step 4: Simplify right side
    12,208,219.60x = 177,119,289,214,398.97
  5. Step 5: Solve for x
    x = 177,119,289,214,398.97/12,208,219.60
  6. Step 6: Final answer
    x = 14,508,199.80

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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.