Home / 7,307,485.80-10,961,228.70-1,988,701.80

Finding the Fourth Proportional to 7,307,485.80, 10,961,228.70 and 1,988,701.80

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Solution

The fourth proportional to 7,307,485.80, 10,961,228.70 and 1,988,701.80 is: 2,983,052.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,307,485.80 : 10,961,228.70 = 1,988,701.80 : x
  2. Step 2: Convert to fraction form
    7,307,485.80/10,961,228.70 = 1,988,701.80/x
  3. Step 3: Cross multiply
    7,307,485.80x = 10,961,228.70 × 1,988,701.80
  4. Step 4: Simplify right side
    7,307,485.80x = 21,798,615,245,901.66
  5. Step 5: Solve for x
    x = 21,798,615,245,901.66/7,307,485.80
  6. Step 6: Final answer
    x = 2,983,052.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.