Home / 10,361,643.64-14,299,297.05-5,715,569.86

Finding the Fourth Proportional to 10,361,643.64, 14,299,297.05 and 5,715,569.86

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Solution

The fourth proportional to 10,361,643.64, 14,299,297.05 and 5,715,569.86 is: 7,887,612.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361,643.64 : 14,299,297.05 = 5,715,569.86 : x
  2. Step 2: Convert to fraction form
    10,361,643.64/14,299,297.05 = 5,715,569.86/x
  3. Step 3: Cross multiply
    10,361,643.64x = 14,299,297.05 × 5,715,569.86
  4. Step 4: Simplify right side
    10,361,643.64x = 81,728,631,238,166.92
  5. Step 5: Solve for x
    x = 81,728,631,238,166.92/10,361,643.64
  6. Step 6: Final answer
    x = 7,887,612.63

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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.