Home / 7,015,921.50-9,681,971.67-3,796,657.50

Finding the Fourth Proportional to 7,015,921.50, 9,681,971.67 and 3,796,657.50

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Solution

The fourth proportional to 7,015,921.50, 9,681,971.67 and 3,796,657.50 is: 5,239,387.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015,921.50 : 9,681,971.67 = 3,796,657.50 : x
  2. Step 2: Convert to fraction form
    7,015,921.50/9,681,971.67 = 3,796,657.50/x
  3. Step 3: Cross multiply
    7,015,921.50x = 9,681,971.67 × 3,796,657.50
  4. Step 4: Simplify right side
    7,015,921.50x = 36,759,130,355,693.02
  5. Step 5: Solve for x
    x = 36,759,130,355,693.02/7,015,921.50
  6. Step 6: Final answer
    x = 5,239,387.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.