Home / 14,449,679.78-21,659,347.47-4,861,729.94

Finding the Fourth Proportional to 14,449,679.78, 21,659,347.47 and 4,861,729.94

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Solution

The fourth proportional to 14,449,679.78, 21,659,347.47 and 4,861,729.94 is: 7,287,490.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,449,679.78 : 21,659,347.47 = 4,861,729.94 : x
  2. Step 2: Convert to fraction form
    14,449,679.78/21,659,347.47 = 4,861,729.94/x
  3. Step 3: Cross multiply
    14,449,679.78x = 21,659,347.47 × 4,861,729.94
  4. Step 4: Simplify right side
    14,449,679.78x = 105,301,898,075,762.25
  5. Step 5: Solve for x
    x = 105,301,898,075,762.25/14,449,679.78
  6. Step 6: Final answer
    x = 7,287,490.08

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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.