Home / 7,421,718.40-11,132,577.60-4,435,734.40

Finding the Fourth Proportional to 7,421,718.40, 11,132,577.60 and 4,435,734.40

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Solution

The fourth proportional to 7,421,718.40, 11,132,577.60 and 4,435,734.40 is: 6,653,601.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421,718.40 : 11,132,577.60 = 4,435,734.40 : x
  2. Step 2: Convert to fraction form
    7,421,718.40/11,132,577.60 = 4,435,734.40/x
  3. Step 3: Cross multiply
    7,421,718.40x = 11,132,577.60 × 4,435,734.40
  4. Step 4: Simplify right side
    7,421,718.40x = 49,381,157,420,989.45
  5. Step 5: Solve for x
    x = 49,381,157,420,989.45/7,421,718.40
  6. Step 6: Final answer
    x = 6,653,601.60

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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.