Home / 7,876,178-10,869,135.36-4,254,506

Finding the Fourth Proportional to 7,876,178, 10,869,135.36 and 4,254,506

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Solution

The fourth proportional to 7,876,178, 10,869,135.36 and 4,254,506 is: 5,871,223.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,876,178 : 10,869,135.36 = 4,254,506 : x
  2. Step 2: Convert to fraction form
    7,876,178/10,869,135.36 = 4,254,506/x
  3. Step 3: Cross multiply
    7,876,178x = 10,869,135.36 × 4,254,506
  4. Step 4: Simplify right side
    7,876,178x = 46,242,801,603,932.16
  5. Step 5: Solve for x
    x = 46,242,801,603,932.16/7,876,178
  6. Step 6: Final answer
    x = 5,871,223.53

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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.