Home / 21,355,281,003.81-32,039,141,413.67-9,561,641,374.20

Finding the Fourth Proportional to 21,355,281,003.81, 32,039,141,413.67 and 9,561,641,374.20

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Solution

The fourth proportional to 21,355,281,003.81, 32,039,141,413.67 and 9,561,641,374.20 is: 14,345,246,971.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,355,281,003.81 : 32,039,141,413.67 = 9,561,641,374.20 : x
  2. Step 2: Convert to fraction form
    21,355,281,003.81/32,039,141,413.67 = 9,561,641,374.20/x
  3. Step 3: Cross multiply
    21,355,281,003.81x = 32,039,141,413.67 × 9,561,641,374.20
  4. Step 4: Simplify right side
    21,355,281,003.81x = 306,346,780,134,958,170,112
  5. Step 5: Solve for x
    x = 306,346,780,134,958,170,112/21,355,281,003.81
  6. Step 6: Final answer
    x = 14,345,246,971.01

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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.