Home / 13,306,413.60-19,959,620.40-4,785,642.90

Finding the Fourth Proportional to 13,306,413.60, 19,959,620.40 and 4,785,642.90

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Solution

The fourth proportional to 13,306,413.60, 19,959,620.40 and 4,785,642.90 is: 7,178,464.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,413.60 : 19,959,620.40 = 4,785,642.90 : x
  2. Step 2: Convert to fraction form
    13,306,413.60/19,959,620.40 = 4,785,642.90/x
  3. Step 3: Cross multiply
    13,306,413.60x = 19,959,620.40 × 4,785,642.90
  4. Step 4: Simplify right side
    13,306,413.60x = 95,519,615,653,955.16
  5. Step 5: Solve for x
    x = 95,519,615,653,955.16/13,306,413.60
  6. Step 6: Final answer
    x = 7,178,464.35

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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.