Home / 28,260,117.90-42,401,236.05-10,311,036.30

Finding the Fourth Proportional to 28,260,117.90, 42,401,236.05 and 10,311,036.30

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Solution

The fourth proportional to 28,260,117.90, 42,401,236.05 and 10,311,036.30 is: 15,470,589.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,260,117.90 : 42,401,236.05 = 10,311,036.30 : x
  2. Step 2: Convert to fraction form
    28,260,117.90/42,401,236.05 = 10,311,036.30/x
  3. Step 3: Cross multiply
    28,260,117.90x = 42,401,236.05 × 10,311,036.30
  4. Step 4: Simplify right side
    28,260,117.90x = 437,200,684,076,418.62
  5. Step 5: Solve for x
    x = 437,200,684,076,418.62/28,260,117.90
  6. Step 6: Final answer
    x = 15,470,589.53

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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.