Home / 28,064,400.78-42,098,086.26-8,896,653.12

Finding the Fourth Proportional to 28,064,400.78, 42,098,086.26 and 8,896,653.12

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Solution

The fourth proportional to 28,064,400.78, 42,098,086.26 and 8,896,653.12 is: 13,345,450.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,064,400.78 : 42,098,086.26 = 8,896,653.12 : x
  2. Step 2: Convert to fraction form
    28,064,400.78/42,098,086.26 = 8,896,653.12/x
  3. Step 3: Cross multiply
    28,064,400.78x = 42,098,086.26 × 8,896,653.12
  4. Step 4: Simplify right side
    28,064,400.78x = 374,532,070,471,058.06
  5. Step 5: Solve for x
    x = 374,532,070,471,058.06/28,064,400.78
  6. Step 6: Final answer
    x = 13,345,450.47

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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.