Home / 10,068,686.40-15,105,216.60-3,678,928.50

Finding the Fourth Proportional to 10,068,686.40, 15,105,216.60 and 3,678,928.50

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Solution

The fourth proportional to 10,068,686.40, 15,105,216.60 and 3,678,928.50 is: 5,519,191.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,068,686.40 : 15,105,216.60 = 3,678,928.50 : x
  2. Step 2: Convert to fraction form
    10,068,686.40/15,105,216.60 = 3,678,928.50/x
  3. Step 3: Cross multiply
    10,068,686.40x = 15,105,216.60 × 3,678,928.50
  4. Step 4: Simplify right side
    10,068,686.40x = 55,571,011,848,413.10
  5. Step 5: Solve for x
    x = 55,571,011,848,413.10/10,068,686.40
  6. Step 6: Final answer
    x = 5,519,191.84

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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.