Home / 21,696,340.82-32,542,518.29-7,319,533.16

Finding the Fourth Proportional to 21,696,340.82, 32,542,518.29 and 7,319,533.16

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Solution

The fourth proportional to 21,696,340.82, 32,542,518.29 and 7,319,533.16 is: 10,978,627.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,696,340.82 : 32,542,518.29 = 7,319,533.16 : x
  2. Step 2: Convert to fraction form
    21,696,340.82/32,542,518.29 = 7,319,533.16/x
  3. Step 3: Cross multiply
    21,696,340.82x = 32,542,518.29 × 7,319,533.16
  4. Step 4: Simplify right side
    21,696,340.82x = 238,196,041,778,320.12
  5. Step 5: Solve for x
    x = 238,196,041,778,320.12/21,696,340.82
  6. Step 6: Final answer
    x = 10,978,627.40

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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.