Home / 8,538,010.40-12,807,015.60-3,492,941.60

Finding the Fourth Proportional to 8,538,010.40, 12,807,015.60 and 3,492,941.60

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Solution

The fourth proportional to 8,538,010.40, 12,807,015.60 and 3,492,941.60 is: 5,239,412.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538,010.40 : 12,807,015.60 = 3,492,941.60 : x
  2. Step 2: Convert to fraction form
    8,538,010.40/12,807,015.60 = 3,492,941.60/x
  3. Step 3: Cross multiply
    8,538,010.40x = 12,807,015.60 × 3,492,941.60
  4. Step 4: Simplify right side
    8,538,010.40x = 44,734,157,561,088.96
  5. Step 5: Solve for x
    x = 44,734,157,561,088.96/8,538,010.40
  6. Step 6: Final answer
    x = 5,239,412.40

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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.