Home / 12,888,001.60-19,315,413.60-9,881,281.60

Finding the Fourth Proportional to 12,888,001.60, 19,315,413.60 and 9,881,281.60

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Solution

The fourth proportional to 12,888,001.60, 19,315,413.60 and 9,881,281.60 is: 14,809,203.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,888,001.60 : 19,315,413.60 = 9,881,281.60 : x
  2. Step 2: Convert to fraction form
    12,888,001.60/19,315,413.60 = 9,881,281.60/x
  3. Step 3: Cross multiply
    12,888,001.60x = 19,315,413.60 × 9,881,281.60
  4. Step 4: Simplify right side
    12,888,001.60x = 190,861,041,002,069.78
  5. Step 5: Solve for x
    x = 190,861,041,002,069.78/12,888,001.60
  6. Step 6: Final answer
    x = 14,809,203.70

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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.