Home / 31,439,573.35-43,386,166.76-17,688,504.67

Finding the Fourth Proportional to 31,439,573.35, 43,386,166.76 and 17,688,504.67

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Solution

The fourth proportional to 31,439,573.35, 43,386,166.76 and 17,688,504.67 is: 24,409,886.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,439,573.35 : 43,386,166.76 = 17,688,504.67 : x
  2. Step 2: Convert to fraction form
    31,439,573.35/43,386,166.76 = 17,688,504.67/x
  3. Step 3: Cross multiply
    31,439,573.35x = 43,386,166.76 × 17,688,504.67
  4. Step 4: Simplify right side
    31,439,573.35x = 767,436,413,150,750.88
  5. Step 5: Solve for x
    x = 767,436,413,150,750.88/31,439,573.35
  6. Step 6: Final answer
    x = 24,409,886.38

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1.5x scale

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.