Home / 30,813,438.32-42,522,025.36-17,062,107.20

Finding the Fourth Proportional to 30,813,438.32, 42,522,025.36 and 17,062,107.20

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Solution

The fourth proportional to 30,813,438.32, 42,522,025.36 and 17,062,107.20 is: 23,545,420.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,813,438.32 : 42,522,025.36 = 17,062,107.20 : x
  2. Step 2: Convert to fraction form
    30,813,438.32/42,522,025.36 = 17,062,107.20/x
  3. Step 3: Cross multiply
    30,813,438.32x = 42,522,025.36 × 17,062,107.20
  4. Step 4: Simplify right side
    30,813,438.32x = 725,515,355,053,438.50
  5. Step 5: Solve for x
    x = 725,515,355,053,438.50/30,813,438.32
  6. Step 6: Final answer
    x = 23,545,420.26

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1.5x scale

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.