Home / 28,890,047.20-43,335,070.80-9,714,431.20

Finding the Fourth Proportional to 28,890,047.20, 43,335,070.80 and 9,714,431.20

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Solution

The fourth proportional to 28,890,047.20, 43,335,070.80 and 9,714,431.20 is: 14,571,646.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,890,047.20 : 43,335,070.80 = 9,714,431.20 : x
  2. Step 2: Convert to fraction form
    28,890,047.20/43,335,070.80 = 9,714,431.20/x
  3. Step 3: Cross multiply
    28,890,047.20x = 43,335,070.80 × 9,714,431.20
  4. Step 4: Simplify right side
    28,890,047.20x = 420,975,563,833,728.88
  5. Step 5: Solve for x
    x = 420,975,563,833,728.88/28,890,047.20
  6. Step 6: Final answer
    x = 14,571,646.80

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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.