Home / 19,341,656.75-26,690,435.25-10,638,424.64

Finding the Fourth Proportional to 19,341,656.75, 26,690,435.25 and 10,638,424.64

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Solution

The fourth proportional to 19,341,656.75, 26,690,435.25 and 10,638,424.64 is: 14,680,447.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,341,656.75 : 26,690,435.25 = 10,638,424.64 : x
  2. Step 2: Convert to fraction form
    19,341,656.75/26,690,435.25 = 10,638,424.64/x
  3. Step 3: Cross multiply
    19,341,656.75x = 26,690,435.25 × 10,638,424.64
  4. Step 4: Simplify right side
    19,341,656.75x = 283,944,184,042,756.56
  5. Step 5: Solve for x
    x = 283,944,184,042,756.56/19,341,656.75
  6. Step 6: Final answer
    x = 14,680,447.89

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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.