Home / 19,856,701.80-27,405,437.22-18,559,985.76

Finding the Fourth Proportional to 19,856,701.80, 27,405,437.22 and 18,559,985.76

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Solution

The fourth proportional to 19,856,701.80, 27,405,437.22 and 18,559,985.76 is: 25,615,760.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,856,701.80 : 27,405,437.22 = 18,559,985.76 : x
  2. Step 2: Convert to fraction form
    19,856,701.80/27,405,437.22 = 18,559,985.76/x
  3. Step 3: Cross multiply
    19,856,701.80x = 27,405,437.22 × 18,559,985.76
  4. Step 4: Simplify right side
    19,856,701.80x = 508,644,524,549,774
  5. Step 5: Solve for x
    x = 508,644,524,549,774/19,856,701.80
  6. Step 6: Final answer
    x = 25,615,760.85

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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.