Home / 28,728,752.40-43,093,128.60-13,612,208.40

Finding the Fourth Proportional to 28,728,752.40, 43,093,128.60 and 13,612,208.40

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Solution

The fourth proportional to 28,728,752.40, 43,093,128.60 and 13,612,208.40 is: 20,418,312.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,728,752.40 : 43,093,128.60 = 13,612,208.40 : x
  2. Step 2: Convert to fraction form
    28,728,752.40/43,093,128.60 = 13,612,208.40/x
  3. Step 3: Cross multiply
    28,728,752.40x = 43,093,128.60 × 13,612,208.40
  4. Step 4: Simplify right side
    28,728,752.40x = 586,592,647,111,200.25
  5. Step 5: Solve for x
    x = 586,592,647,111,200.25/28,728,752.40
  6. Step 6: Final answer
    x = 20,418,312.60

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1.5x scale

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.