Home / 10,282,413.60-15,428,901.60-4,529,178.72

Finding the Fourth Proportional to 10,282,413.60, 15,428,901.60 and 4,529,178.72

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Solution

The fourth proportional to 10,282,413.60, 15,428,901.60 and 4,529,178.72 is: 6,796,094.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,282,413.60 : 15,428,901.60 = 4,529,178.72 : x
  2. Step 2: Convert to fraction form
    10,282,413.60/15,428,901.60 = 4,529,178.72/x
  3. Step 3: Cross multiply
    10,282,413.60x = 15,428,901.60 × 4,529,178.72
  4. Step 4: Simplify right side
    10,282,413.60x = 69,880,252,799,693.95
  5. Step 5: Solve for x
    x = 69,880,252,799,693.95/10,282,413.60
  6. Step 6: Final answer
    x = 6,796,094.33

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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.