Home / 21,534,078.16-32,272,264.16-20,155,025.64

Finding the Fourth Proportional to 21,534,078.16, 32,272,264.16 and 20,155,025.64

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Solution

The fourth proportional to 21,534,078.16, 32,272,264.16 and 20,155,025.64 is: 30,205,533.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,534,078.16 : 32,272,264.16 = 20,155,025.64 : x
  2. Step 2: Convert to fraction form
    21,534,078.16/32,272,264.16 = 20,155,025.64/x
  3. Step 3: Cross multiply
    21,534,078.16x = 32,272,264.16 × 20,155,025.64
  4. Step 4: Simplify right side
    21,534,078.16x = 650,448,311,605,653.12
  5. Step 5: Solve for x
    x = 650,448,311,605,653.12/21,534,078.16
  6. Step 6: Final answer
    x = 30,205,533.14

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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.