Home / 28,345,625.64-42,525,181.66-9,176,381.16

Finding the Fourth Proportional to 28,345,625.64, 42,525,181.66 and 9,176,381.16

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Solution

The fourth proportional to 28,345,625.64, 42,525,181.66 and 9,176,381.16 is: 13,766,754.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,345,625.64 : 42,525,181.66 = 9,176,381.16 : x
  2. Step 2: Convert to fraction form
    28,345,625.64/42,525,181.66 = 9,176,381.16/x
  3. Step 3: Cross multiply
    28,345,625.64x = 42,525,181.66 × 9,176,381.16
  4. Step 4: Simplify right side
    28,345,625.64x = 390,227,275,810,401.50
  5. Step 5: Solve for x
    x = 390,227,275,810,401.50/28,345,625.64
  6. Step 6: Final answer
    x = 13,766,754.73

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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.