Home / 18,931,537.20-26,127,597.06-10,985,829.96

Finding the Fourth Proportional to 18,931,537.20, 26,127,597.06 and 10,985,829.96

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Solution

The fourth proportional to 18,931,537.20, 26,127,597.06 and 10,985,829.96 is: 15,161,649.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,931,537.20 : 26,127,597.06 = 10,985,829.96 : x
  2. Step 2: Convert to fraction form
    18,931,537.20/26,127,597.06 = 10,985,829.96/x
  3. Step 3: Cross multiply
    18,931,537.20x = 26,127,597.06 × 10,985,829.96
  4. Step 4: Simplify right side
    18,931,537.20x = 287,033,338,564,555.94
  5. Step 5: Solve for x
    x = 287,033,338,564,555.94/18,931,537.20
  6. Step 6: Final answer
    x = 15,161,649.87

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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.