Home / 30,732,278.40-46,100,750.40-9,165,196.80

Finding the Fourth Proportional to 30,732,278.40, 46,100,750.40 and 9,165,196.80

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Solution

The fourth proportional to 30,732,278.40, 46,100,750.40 and 9,165,196.80 is: 13,748,490.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,732,278.40 : 46,100,750.40 = 9,165,196.80 : x
  2. Step 2: Convert to fraction form
    30,732,278.40/46,100,750.40 = 9,165,196.80/x
  3. Step 3: Cross multiply
    30,732,278.40x = 46,100,750.40 × 9,165,196.80
  4. Step 4: Simplify right side
    30,732,278.40x = 422,522,450,043,678.75
  5. Step 5: Solve for x
    x = 422,522,450,043,678.75/30,732,278.40
  6. Step 6: Final answer
    x = 13,748,490.90

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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.