Home / 14,269,679.10-19,692,057.29-7,743,142.58

Finding the Fourth Proportional to 14,269,679.10, 19,692,057.29 and 7,743,142.58

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Solution

The fourth proportional to 14,269,679.10, 19,692,057.29 and 7,743,142.58 is: 10,685,482.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,269,679.10 : 19,692,057.29 = 7,743,142.58 : x
  2. Step 2: Convert to fraction form
    14,269,679.10/19,692,057.29 = 7,743,142.58/x
  3. Step 3: Cross multiply
    14,269,679.10x = 19,692,057.29 × 7,743,142.58
  4. Step 4: Simplify right side
    14,269,679.10x = 152,478,407,152,822.41
  5. Step 5: Solve for x
    x = 152,478,407,152,822.41/14,269,679.10
  6. Step 6: Final answer
    x = 10,685,482.56

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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.