Home / 28,074,307.80-42,079,968.90-15,949,579.80

Finding the Fourth Proportional to 28,074,307.80, 42,079,968.90 and 15,949,579.80

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Solution

The fourth proportional to 28,074,307.80, 42,079,968.90 and 15,949,579.80 is: 23,906,478.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,074,307.80 : 42,079,968.90 = 15,949,579.80 : x
  2. Step 2: Convert to fraction form
    28,074,307.80/42,079,968.90 = 15,949,579.80/x
  3. Step 3: Cross multiply
    28,074,307.80x = 42,079,968.90 × 15,949,579.80
  4. Step 4: Simplify right side
    28,074,307.80x = 671,157,821,952,068.25
  5. Step 5: Solve for x
    x = 671,157,821,952,068.25/28,074,307.80
  6. Step 6: Final answer
    x = 23,906,478.01

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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.