Home / 7,113,878.40-10,656,820.80-4,265,529.60

Finding the Fourth Proportional to 7,113,878.40, 10,656,820.80 and 4,265,529.60

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Solution

The fourth proportional to 7,113,878.40, 10,656,820.80 and 4,265,529.60 is: 6,389,901.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113,878.40 : 10,656,820.80 = 4,265,529.60 : x
  2. Step 2: Convert to fraction form
    7,113,878.40/10,656,820.80 = 4,265,529.60/x
  3. Step 3: Cross multiply
    7,113,878.40x = 10,656,820.80 × 4,265,529.60
  4. Step 4: Simplify right side
    7,113,878.40x = 45,456,984,564,295.68
  5. Step 5: Solve for x
    x = 45,456,984,564,295.68/7,113,878.40
  6. Step 6: Final answer
    x = 6,389,901.82

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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.