Home / 13,587,572.66-18,751,366.02-7,787,473.70

Finding the Fourth Proportional to 13,587,572.66, 18,751,366.02 and 7,787,473.70

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Solution

The fourth proportional to 13,587,572.66, 18,751,366.02 and 7,787,473.70 is: 10,747,009.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,587,572.66 : 18,751,366.02 = 7,787,473.70 : x
  2. Step 2: Convert to fraction form
    13,587,572.66/18,751,366.02 = 7,787,473.70/x
  3. Step 3: Cross multiply
    13,587,572.66x = 18,751,366.02 × 7,787,473.70
  4. Step 4: Simplify right side
    13,587,572.66x = 146,025,769,738,840.12
  5. Step 5: Solve for x
    x = 146,025,769,738,840.12/13,587,572.66
  6. Step 6: Final answer
    x = 10,747,009.30

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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.