Home / 7,241,712.60-10,863,881.10-3,638,411.40

Finding the Fourth Proportional to 7,241,712.60, 10,863,881.10 and 3,638,411.40

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Solution

The fourth proportional to 7,241,712.60, 10,863,881.10 and 3,638,411.40 is: 5,458,276.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,241,712.60 : 10,863,881.10 = 3,638,411.40 : x
  2. Step 2: Convert to fraction form
    7,241,712.60/10,863,881.10 = 3,638,411.40/x
  3. Step 3: Cross multiply
    7,241,712.60x = 10,863,881.10 × 3,638,411.40
  4. Step 4: Simplify right side
    7,241,712.60x = 39,527,268,842,484.54
  5. Step 5: Solve for x
    x = 39,527,268,842,484.54/7,241,712.60
  6. Step 6: Final answer
    x = 5,458,276.38

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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.