Home / 20,864,031.96-28,791,935.34-11,570,102.52

Finding the Fourth Proportional to 20,864,031.96, 28,791,935.34 and 11,570,102.52

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Solution

The fourth proportional to 20,864,031.96, 28,791,935.34 and 11,570,102.52 is: 15,966,503.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,864,031.96 : 28,791,935.34 = 11,570,102.52 : x
  2. Step 2: Convert to fraction form
    20,864,031.96/28,791,935.34 = 11,570,102.52/x
  3. Step 3: Cross multiply
    20,864,031.96x = 28,791,935.34 × 11,570,102.52
  4. Step 4: Simplify right side
    20,864,031.96x = 333,125,643,633,011.06
  5. Step 5: Solve for x
    x = 333,125,643,633,011.06/20,864,031.96
  6. Step 6: Final answer
    x = 15,966,503.71

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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.