Home / 30,977,923.25-42,750,340.35-17,039,637.46

Finding the Fourth Proportional to 30,977,923.25, 42,750,340.35 and 17,039,637.46

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Solution

The fourth proportional to 30,977,923.25, 42,750,340.35 and 17,039,637.46 is: 23,515,143.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,977,923.25 : 42,750,340.35 = 17,039,637.46 : x
  2. Step 2: Convert to fraction form
    30,977,923.25/42,750,340.35 = 17,039,637.46/x
  3. Step 3: Cross multiply
    30,977,923.25x = 42,750,340.35 × 17,039,637.46
  4. Step 4: Simplify right side
    30,977,923.25x = 728,450,300,808,591.25
  5. Step 5: Solve for x
    x = 728,450,300,808,591.25/30,977,923.25
  6. Step 6: Final answer
    x = 23,515,143.19

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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.