Home / 12,784,867.52-19,155,470.88-7,032,413.12

Finding the Fourth Proportional to 12,784,867.52, 19,155,470.88 and 7,032,413.12

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Solution

The fourth proportional to 12,784,867.52, 19,155,470.88 and 7,032,413.12 is: 10,536,611.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,784,867.52 : 19,155,470.88 = 7,032,413.12 : x
  2. Step 2: Convert to fraction form
    12,784,867.52/19,155,470.88 = 7,032,413.12/x
  3. Step 3: Cross multiply
    12,784,867.52x = 19,155,470.88 × 7,032,413.12
  4. Step 4: Simplify right side
    12,784,867.52x = 134,709,184,736,289.94
  5. Step 5: Solve for x
    x = 134,709,184,736,289.94/12,784,867.52
  6. Step 6: Final answer
    x = 10,536,611.70

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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.