Home / 38,247,485.85-52,779,990.64-20,843,457.40

Finding the Fourth Proportional to 38,247,485.85, 52,779,990.64 and 20,843,457.40

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Solution

The fourth proportional to 38,247,485.85, 52,779,990.64 and 20,843,457.40 is: 28,763,132.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,247,485.85 : 52,779,990.64 = 20,843,457.40 : x
  2. Step 2: Convert to fraction form
    38,247,485.85/52,779,990.64 = 20,843,457.40/x
  3. Step 3: Cross multiply
    38,247,485.85x = 52,779,990.64 × 20,843,457.40
  4. Step 4: Simplify right side
    38,247,485.85x = 1,100,117,486,351,540.25
  5. Step 5: Solve for x
    x = 1,100,117,486,351,540.25/38,247,485.85
  6. Step 6: Final answer
    x = 28,763,132.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.