Home / 13,765,862.70-20,648,794.05-6,591,409.20

Finding the Fourth Proportional to 13,765,862.70, 20,648,794.05 and 6,591,409.20

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Solution

The fourth proportional to 13,765,862.70, 20,648,794.05 and 6,591,409.20 is: 9,887,113.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,765,862.70 : 20,648,794.05 = 6,591,409.20 : x
  2. Step 2: Convert to fraction form
    13,765,862.70/20,648,794.05 = 6,591,409.20/x
  3. Step 3: Cross multiply
    13,765,862.70x = 20,648,794.05 × 6,591,409.20
  4. Step 4: Simplify right side
    13,765,862.70x = 136,104,651,070,075.27
  5. Step 5: Solve for x
    x = 136,104,651,070,075.27/13,765,862.70
  6. Step 6: Final answer
    x = 9,887,113.80

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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.