Home / 7,888,635.40-11,826,041.10-5,356,078.60

Finding the Fourth Proportional to 7,888,635.40, 11,826,041.10 and 5,356,078.60

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Solution

The fourth proportional to 7,888,635.40, 11,826,041.10 and 5,356,078.60 is: 8,029,424.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888,635.40 : 11,826,041.10 = 5,356,078.60 : x
  2. Step 2: Convert to fraction form
    7,888,635.40/11,826,041.10 = 5,356,078.60/x
  3. Step 3: Cross multiply
    7,888,635.40x = 11,826,041.10 × 5,356,078.60
  4. Step 4: Simplify right side
    7,888,635.40x = 63,341,205,658,430.45
  5. Step 5: Solve for x
    x = 63,341,205,658,430.45/7,888,635.40
  6. Step 6: Final answer
    x = 8,029,424.92

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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.