Home / 28,890,071.70-43,335,107.55-9,714,455.70

Finding the Fourth Proportional to 28,890,071.70, 43,335,107.55 and 9,714,455.70

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Solution

The fourth proportional to 28,890,071.70, 43,335,107.55 and 9,714,455.70 is: 14,571,683.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,890,071.70 : 43,335,107.55 = 9,714,455.70 : x
  2. Step 2: Convert to fraction form
    28,890,071.70/43,335,107.55 = 9,714,455.70/x
  3. Step 3: Cross multiply
    28,890,071.70x = 43,335,107.55 × 9,714,455.70
  4. Step 4: Simplify right side
    28,890,071.70x = 420,976,982,549,210.50
  5. Step 5: Solve for x
    x = 420,976,982,549,210.50/28,890,071.70
  6. Step 6: Final answer
    x = 14,571,683.55

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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.