Home / 13,211,403.90-19,812,351.56-4,573,157.28

Finding the Fourth Proportional to 13,211,403.90, 19,812,351.56 and 4,573,157.28

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Solution

The fourth proportional to 13,211,403.90, 19,812,351.56 and 4,573,157.28 is: 6,858,090.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,211,403.90 : 19,812,351.56 = 4,573,157.28 : x
  2. Step 2: Convert to fraction form
    13,211,403.90/19,812,351.56 = 4,573,157.28/x
  3. Step 3: Cross multiply
    13,211,403.90x = 19,812,351.56 × 4,573,157.28
  4. Step 4: Simplify right side
    13,211,403.90x = 90,604,999,747,667.58
  5. Step 5: Solve for x
    x = 90,604,999,747,667.58/13,211,403.90
  6. Step 6: Final answer
    x = 6,858,090.21

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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.