Home / 31,896,054.40-47,844,081.60-28,116,918.40

Finding the Fourth Proportional to 31,896,054.40, 47,844,081.60 and 28,116,918.40

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Solution

The fourth proportional to 31,896,054.40, 47,844,081.60 and 28,116,918.40 is: 42,175,377.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,896,054.40 : 47,844,081.60 = 28,116,918.40 : x
  2. Step 2: Convert to fraction form
    31,896,054.40/47,844,081.60 = 28,116,918.40/x
  3. Step 3: Cross multiply
    31,896,054.40x = 47,844,081.60 × 28,116,918.40
  4. Step 4: Simplify right side
    31,896,054.40x = 1,345,228,138,270,141.50
  5. Step 5: Solve for x
    x = 1,345,228,138,270,141.50/31,896,054.40
  6. Step 6: Final answer
    x = 42,175,377.60

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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.