Home / 19,342,901.52-26,692,149.78-10,639,669.08

Finding the Fourth Proportional to 19,342,901.52, 26,692,149.78 and 10,639,669.08

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Solution

The fourth proportional to 19,342,901.52, 26,692,149.78 and 10,639,669.08 is: 14,682,163.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,342,901.52 : 26,692,149.78 = 10,639,669.08 : x
  2. Step 2: Convert to fraction form
    19,342,901.52/26,692,149.78 = 10,639,669.08/x
  3. Step 3: Cross multiply
    19,342,901.52x = 26,692,149.78 × 10,639,669.08
  4. Step 4: Simplify right side
    19,342,901.52x = 283,995,640,692,994.81
  5. Step 5: Solve for x
    x = 283,995,640,692,994.81/19,342,901.52
  6. Step 6: Final answer
    x = 14,682,163.40

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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.