Home / 28,643,239.26-42,963,693.71-7,077,297.87

Finding the Fourth Proportional to 28,643,239.26, 42,963,693.71 and 7,077,297.87

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Solution

The fourth proportional to 28,643,239.26, 42,963,693.71 and 7,077,297.87 is: 10,615,658.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,643,239.26 : 42,963,693.71 = 7,077,297.87 : x
  2. Step 2: Convert to fraction form
    28,643,239.26/42,963,693.71 = 7,077,297.87/x
  3. Step 3: Cross multiply
    28,643,239.26x = 42,963,693.71 × 7,077,297.87
  4. Step 4: Simplify right side
    28,643,239.26x = 304,066,857,945,728.88
  5. Step 5: Solve for x
    x = 304,066,857,945,728.88/28,643,239.26
  6. Step 6: Final answer
    x = 10,615,658.91

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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.