Home / 12,208,234.10-18,280,858.35-9,688,810.10

Finding the Fourth Proportional to 12,208,234.10, 18,280,858.35 and 9,688,810.10

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Solution

The fourth proportional to 12,208,234.10, 18,280,858.35 and 9,688,810.10 is: 14,508,221.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,208,234.10 : 18,280,858.35 = 9,688,810.10 : x
  2. Step 2: Convert to fraction form
    12,208,234.10/18,280,858.35 = 9,688,810.10/x
  3. Step 3: Cross multiply
    12,208,234.10x = 18,280,858.35 × 9,688,810.10
  4. Step 4: Simplify right side
    12,208,234.10x = 177,119,765,018,149.34
  5. Step 5: Solve for x
    x = 177,119,765,018,149.34/12,208,234.10
  6. Step 6: Final answer
    x = 14,508,221.55

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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.