Home / 14,480,342.77-19,980,707.21-8,284,405.31

Finding the Fourth Proportional to 14,480,342.77, 19,980,707.21 and 8,284,405.31

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Solution

The fourth proportional to 14,480,342.77, 19,980,707.21 and 8,284,405.31 is: 11,431,240.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,480,342.77 : 19,980,707.21 = 8,284,405.31 : x
  2. Step 2: Convert to fraction form
    14,480,342.77/19,980,707.21 = 8,284,405.31/x
  3. Step 3: Cross multiply
    14,480,342.77x = 19,980,707.21 × 8,284,405.31
  4. Step 4: Simplify right side
    14,480,342.77x = 165,528,276,947,675.53
  5. Step 5: Solve for x
    x = 165,528,276,947,675.53/14,480,342.77
  6. Step 6: Final answer
    x = 11,431,240.24

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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.