Home / 30,813,986.16-42,522,778-17,062,655.04

Finding the Fourth Proportional to 30,813,986.16, 42,522,778 and 17,062,655.04

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Solution

The fourth proportional to 30,813,986.16, 42,522,778 and 17,062,655.04 is: 23,546,174.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,813,986.16 : 42,522,778 = 17,062,655.04 : x
  2. Step 2: Convert to fraction form
    30,813,986.16/42,522,778 = 17,062,655.04/x
  3. Step 3: Cross multiply
    30,813,986.16x = 42,522,778 × 17,062,655.04
  4. Step 4: Simplify right side
    30,813,986.16x = 725,551,492,356,501.12
  5. Step 5: Solve for x
    x = 725,551,492,356,501.12/30,813,986.16
  6. Step 6: Final answer
    x = 23,546,174.41

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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.