Home / 13,782,740.40-20,664,779.40-7,306,887.60

Finding the Fourth Proportional to 13,782,740.40, 20,664,779.40 and 7,306,887.60

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Solution

The fourth proportional to 13,782,740.40, 20,664,779.40 and 7,306,887.60 is: 10,955,384.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,782,740.40 : 20,664,779.40 = 7,306,887.60 : x
  2. Step 2: Convert to fraction form
    13,782,740.40/20,664,779.40 = 7,306,887.60/x
  3. Step 3: Cross multiply
    13,782,740.40x = 20,664,779.40 × 7,306,887.60
  4. Step 4: Simplify right side
    13,782,740.40x = 150,995,220,354,595.41
  5. Step 5: Solve for x
    x = 150,995,220,354,595.41/13,782,740.40
  6. Step 6: Final answer
    x = 10,955,384.49

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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.