Home / 30,856,010.40-42,585,634.98-19,099,052.46

Finding the Fourth Proportional to 30,856,010.40, 42,585,634.98 and 19,099,052.46

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Solution

The fourth proportional to 30,856,010.40, 42,585,634.98 and 19,099,052.46 is: 26,359,379.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,856,010.40 : 42,585,634.98 = 19,099,052.46 : x
  2. Step 2: Convert to fraction form
    30,856,010.40/42,585,634.98 = 19,099,052.46/x
  3. Step 3: Cross multiply
    30,856,010.40x = 42,585,634.98 × 19,099,052.46
  4. Step 4: Simplify right side
    30,856,010.40x = 813,345,276,525,431
  5. Step 5: Solve for x
    x = 813,345,276,525,431/30,856,010.40
  6. Step 6: Final answer
    x = 26,359,379.13

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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.