Home / 30,917,165.40-46,375,748.10-19,570,426.20

Finding the Fourth Proportional to 30,917,165.40, 46,375,748.10 and 19,570,426.20

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Solution

The fourth proportional to 30,917,165.40, 46,375,748.10 and 19,570,426.20 is: 29,355,639.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,917,165.40 : 46,375,748.10 = 19,570,426.20 : x
  2. Step 2: Convert to fraction form
    30,917,165.40/46,375,748.10 = 19,570,426.20/x
  3. Step 3: Cross multiply
    30,917,165.40x = 46,375,748.10 × 19,570,426.20
  4. Step 4: Simplify right side
    30,917,165.40x = 907,593,155,660,840.25
  5. Step 5: Solve for x
    x = 907,593,155,660,840.25/30,917,165.40
  6. Step 6: Final answer
    x = 29,355,639.30

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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.