Home / 19,806,885.76-27,332,133.80-10,985,504.64

Finding the Fourth Proportional to 19,806,885.76, 27,332,133.80 and 10,985,504.64

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Solution

The fourth proportional to 19,806,885.76, 27,332,133.80 and 10,985,504.64 is: 15,159,237.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,806,885.76 : 27,332,133.80 = 10,985,504.64 : x
  2. Step 2: Convert to fraction form
    19,806,885.76/27,332,133.80 = 10,985,504.64/x
  3. Step 3: Cross multiply
    19,806,885.76x = 27,332,133.80 × 10,985,504.64
  4. Step 4: Simplify right side
    19,806,885.76x = 300,257,282,681,000.88
  5. Step 5: Solve for x
    x = 300,257,282,681,000.88/19,806,885.76
  6. Step 6: Final answer
    x = 15,159,237.36

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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.