Home / 8,158,770.16-11,259,315.12-4,487,781.28

Finding the Fourth Proportional to 8,158,770.16, 11,259,315.12 and 4,487,781.28

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Solution

The fourth proportional to 8,158,770.16, 11,259,315.12 and 4,487,781.28 is: 6,193,254.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158,770.16 : 11,259,315.12 = 4,487,781.28 : x
  2. Step 2: Convert to fraction form
    8,158,770.16/11,259,315.12 = 4,487,781.28/x
  3. Step 3: Cross multiply
    8,158,770.16x = 11,259,315.12 × 4,487,781.28
  4. Step 4: Simplify right side
    8,158,770.16x = 50,529,343,621,156.95
  5. Step 5: Solve for x
    x = 50,529,343,621,156.95/8,158,770.16
  6. Step 6: Final answer
    x = 6,193,254.94

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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.