Home / 31,439,553.22-43,386,139.03-17,688,484.54

Finding the Fourth Proportional to 31,439,553.22, 43,386,139.03 and 17,688,484.54

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Solution

The fourth proportional to 31,439,553.22, 43,386,139.03 and 17,688,484.54 is: 24,409,858.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,439,553.22 : 43,386,139.03 = 17,688,484.54 : x
  2. Step 2: Convert to fraction form
    31,439,553.22/43,386,139.03 = 17,688,484.54/x
  3. Step 3: Cross multiply
    31,439,553.22x = 43,386,139.03 × 17,688,484.54
  4. Step 4: Simplify right side
    31,439,553.22x = 767,435,049,482,445.62
  5. Step 5: Solve for x
    x = 767,435,049,482,445.62/31,439,553.22
  6. Step 6: Final answer
    x = 24,409,858.63

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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.