Home / 28,496,478.30-42,748,864.65-9,322,590.30

Finding the Fourth Proportional to 28,496,478.30, 42,748,864.65 and 9,322,590.30

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Solution

The fourth proportional to 28,496,478.30, 42,748,864.65 and 9,322,590.30 is: 13,985,242.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,496,478.30 : 42,748,864.65 = 9,322,590.30 : x
  2. Step 2: Convert to fraction form
    28,496,478.30/42,748,864.65 = 9,322,590.30/x
  3. Step 3: Cross multiply
    28,496,478.30x = 42,748,864.65 × 9,322,590.30
  4. Step 4: Simplify right side
    28,496,478.30x = 398,530,150,922,102.94
  5. Step 5: Solve for x
    x = 398,530,150,922,102.94/28,496,478.30
  6. Step 6: Final answer
    x = 13,985,242.20

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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.