Home / 19,991,281.85-29,986,922.76-4,845,213.35

Finding the Fourth Proportional to 19,991,281.85, 29,986,922.76 and 4,845,213.35

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Solution

The fourth proportional to 19,991,281.85, 29,986,922.76 and 4,845,213.35 is: 7,267,820.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,991,281.85 : 29,986,922.76 = 4,845,213.35 : x
  2. Step 2: Convert to fraction form
    19,991,281.85/29,986,922.76 = 4,845,213.35/x
  3. Step 3: Cross multiply
    19,991,281.85x = 29,986,922.76 × 4,845,213.35
  4. Step 4: Simplify right side
    19,991,281.85x = 145,293,038,332,236.22
  5. Step 5: Solve for x
    x = 145,293,038,332,236.22/19,991,281.85
  6. Step 6: Final answer
    x = 7,267,820.02

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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.