Home / 12,631,210.97-18,938,670.34-4,955,631.54

Finding the Fourth Proportional to 12,631,210.97, 18,938,670.34 and 4,955,631.54

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Solution

The fourth proportional to 12,631,210.97, 18,938,670.34 and 4,955,631.54 is: 7,430,251.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,631,210.97 : 18,938,670.34 = 4,955,631.54 : x
  2. Step 2: Convert to fraction form
    12,631,210.97/18,938,670.34 = 4,955,631.54/x
  3. Step 3: Cross multiply
    12,631,210.97x = 18,938,670.34 × 4,955,631.54
  4. Step 4: Simplify right side
    12,631,210.97x = 93,853,071,995,416.86
  5. Step 5: Solve for x
    x = 93,853,071,995,416.86/12,631,210.97
  6. Step 6: Final answer
    x = 7,430,251.32

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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.