Home / 30,320,117.40-41,846,029.30-19,303,347.88

Finding the Fourth Proportional to 30,320,117.40, 41,846,029.30 and 19,303,347.88

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Solution

The fourth proportional to 30,320,117.40, 41,846,029.30 and 19,303,347.88 is: 26,641,336.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,320,117.40 : 41,846,029.30 = 19,303,347.88 : x
  2. Step 2: Convert to fraction form
    30,320,117.40/41,846,029.30 = 19,303,347.88/x
  3. Step 3: Cross multiply
    30,320,117.40x = 41,846,029.30 × 19,303,347.88
  4. Step 4: Simplify right side
    30,320,117.40x = 807,768,460,974,572.75
  5. Step 5: Solve for x
    x = 807,768,460,974,572.75/30,320,117.40
  6. Step 6: Final answer
    x = 26,641,336.85

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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.