Home / 9,369,653.86-12,929,879.45-5,183,493.40

Finding the Fourth Proportional to 9,369,653.86, 12,929,879.45 and 5,183,493.40

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Solution

The fourth proportional to 9,369,653.86, 12,929,879.45 and 5,183,493.40 is: 7,153,086.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,369,653.86 : 12,929,879.45 = 5,183,493.40 : x
  2. Step 2: Convert to fraction form
    9,369,653.86/12,929,879.45 = 5,183,493.40/x
  3. Step 3: Cross multiply
    9,369,653.86x = 12,929,879.45 × 5,183,493.40
  4. Step 4: Simplify right side
    9,369,653.86x = 67,021,944,727,221.23
  5. Step 5: Solve for x
    x = 67,021,944,727,221.23/9,369,653.86
  6. Step 6: Final answer
    x = 7,153,086.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.