Home / 31,038,982.02-42,829,913.70-17,986,003.74

Finding the Fourth Proportional to 31,038,982.02, 42,829,913.70 and 17,986,003.74

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Solution

The fourth proportional to 31,038,982.02, 42,829,913.70 and 17,986,003.74 is: 24,818,435.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,038,982.02 : 42,829,913.70 = 17,986,003.74 : x
  2. Step 2: Convert to fraction form
    31,038,982.02/42,829,913.70 = 17,986,003.74/x
  3. Step 3: Cross multiply
    31,038,982.02x = 42,829,913.70 × 17,986,003.74
  4. Step 4: Simplify right side
    31,038,982.02x = 770,338,987,992,077.25
  5. Step 5: Solve for x
    x = 770,338,987,992,077.25/31,038,982.02
  6. Step 6: Final answer
    x = 24,818,435.97

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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.