Home / 7,758,432.64-10,705,870.08-4,320,993.28

Finding the Fourth Proportional to 7,758,432.64, 10,705,870.08 and 4,320,993.28

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Solution

The fourth proportional to 7,758,432.64, 10,705,870.08 and 4,320,993.28 is: 5,962,543.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,758,432.64 : 10,705,870.08 = 4,320,993.28 : x
  2. Step 2: Convert to fraction form
    7,758,432.64/10,705,870.08 = 4,320,993.28/x
  3. Step 3: Cross multiply
    7,758,432.64x = 10,705,870.08 × 4,320,993.28
  4. Step 4: Simplify right side
    7,758,432.64x = 46,259,992,672,233.06
  5. Step 5: Solve for x
    x = 46,259,992,672,233.06/7,758,432.64
  6. Step 6: Final answer
    x = 5,962,543.57

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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.