Home / 9,865,588.64-13,614,409.44-5,790,420.32

Finding the Fourth Proportional to 9,865,588.64, 13,614,409.44 and 5,790,420.32

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Solution

The fourth proportional to 9,865,588.64, 13,614,409.44 and 5,790,420.32 is: 7,990,719.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,865,588.64 : 13,614,409.44 = 5,790,420.32 : x
  2. Step 2: Convert to fraction form
    9,865,588.64/13,614,409.44 = 5,790,420.32/x
  3. Step 3: Cross multiply
    9,865,588.64x = 13,614,409.44 × 5,790,420.32
  4. Step 4: Simplify right side
    9,865,588.64x = 78,833,153,066,175.83
  5. Step 5: Solve for x
    x = 78,833,153,066,175.83/9,865,588.64
  6. Step 6: Final answer
    x = 7,990,719.66

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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.