Home / 14,471,943.10-19,971,320.78-7,945,995.25

Finding the Fourth Proportional to 14,471,943.10, 19,971,320.78 and 7,945,995.25

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Solution

The fourth proportional to 14,471,943.10, 19,971,320.78 and 7,945,995.25 is: 10,965,495.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,471,943.10 : 19,971,320.78 = 7,945,995.25 : x
  2. Step 2: Convert to fraction form
    14,471,943.10/19,971,320.78 = 7,945,995.25/x
  3. Step 3: Cross multiply
    14,471,943.10x = 19,971,320.78 × 7,945,995.25
  4. Step 4: Simplify right side
    14,471,943.10x = 158,692,020,014,376.31
  5. Step 5: Solve for x
    x = 158,692,020,014,376.31/14,471,943.10
  6. Step 6: Final answer
    x = 10,965,495.02

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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.