Home / 13,942,886.16-19,235,564.52-8,426,684.28

Finding the Fourth Proportional to 13,942,886.16, 19,235,564.52 and 8,426,684.28

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Solution

The fourth proportional to 13,942,886.16, 19,235,564.52 and 8,426,684.28 is: 11,625,428.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942,886.16 : 19,235,564.52 = 8,426,684.28 : x
  2. Step 2: Convert to fraction form
    13,942,886.16/19,235,564.52 = 8,426,684.28/x
  3. Step 3: Cross multiply
    13,942,886.16x = 19,235,564.52 × 8,426,684.28
  4. Step 4: Simplify right side
    13,942,886.16x = 162,092,029,157,609.72
  5. Step 5: Solve for x
    x = 162,092,029,157,609.72/13,942,886.16
  6. Step 6: Final answer
    x = 11,625,428.72

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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.