Home / 12,986,413.69-19,482,277.34-4,465,643.53

Finding the Fourth Proportional to 12,986,413.69, 19,482,277.34 and 4,465,643.53

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Solution

The fourth proportional to 12,986,413.69, 19,482,277.34 and 4,465,643.53 is: 6,699,378.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,986,413.69 : 19,482,277.34 = 4,465,643.53 : x
  2. Step 2: Convert to fraction form
    12,986,413.69/19,482,277.34 = 4,465,643.53/x
  3. Step 3: Cross multiply
    12,986,413.69x = 19,482,277.34 × 4,465,643.53
  4. Step 4: Simplify right side
    12,986,413.69x = 87,000,905,753,036.61
  5. Step 5: Solve for x
    x = 87,000,905,753,036.61/12,986,413.69
  6. Step 6: Final answer
    x = 6,699,378.89

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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.