Home / 14,242,871.90-19,655,136.62-7,716,663.56

Finding the Fourth Proportional to 14,242,871.90, 19,655,136.62 and 7,716,663.56

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Solution

The fourth proportional to 14,242,871.90, 19,655,136.62 and 7,716,663.56 is: 10,648,981.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,242,871.90 : 19,655,136.62 = 7,716,663.56 : x
  2. Step 2: Convert to fraction form
    14,242,871.90/19,655,136.62 = 7,716,663.56/x
  3. Step 3: Cross multiply
    14,242,871.90x = 19,655,136.62 × 7,716,663.56
  4. Step 4: Simplify right side
    14,242,871.90x = 151,672,076,522,375.56
  5. Step 5: Solve for x
    x = 151,672,076,522,375.56/14,242,871.90
  6. Step 6: Final answer
    x = 10,648,981.30

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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.