Home / 14,169,860.40-21,256,515.90-5,072,912.40

Finding the Fourth Proportional to 14,169,860.40, 21,256,515.90 and 5,072,912.40

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Solution

The fourth proportional to 14,169,860.40, 21,256,515.90 and 5,072,912.40 is: 7,609,986.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,169,860.40 : 21,256,515.90 = 5,072,912.40 : x
  2. Step 2: Convert to fraction form
    14,169,860.40/21,256,515.90 = 5,072,912.40/x
  3. Step 3: Cross multiply
    14,169,860.40x = 21,256,515.90 × 5,072,912.40
  4. Step 4: Simplify right side
    14,169,860.40x = 107,832,443,089,907.16
  5. Step 5: Solve for x
    x = 107,832,443,089,907.16/14,169,860.40
  6. Step 6: Final answer
    x = 7,609,986.27

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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.