Home / 28,471,507.20-42,714,543.52-8,276,749.20

Finding the Fourth Proportional to 28,471,507.20, 42,714,543.52 and 8,276,749.20

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Solution

The fourth proportional to 28,471,507.20, 42,714,543.52 and 8,276,749.20 is: 12,417,240.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,471,507.20 : 42,714,543.52 = 8,276,749.20 : x
  2. Step 2: Convert to fraction form
    28,471,507.20/42,714,543.52 = 8,276,749.20/x
  3. Step 3: Cross multiply
    28,471,507.20x = 42,714,543.52 × 8,276,749.20
  4. Step 4: Simplify right side
    28,471,507.20x = 353,537,563,907,525.25
  5. Step 5: Solve for x
    x = 353,537,563,907,525.25/28,471,507.20
  6. Step 6: Final answer
    x = 12,417,240.91

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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.