Home / 38,475,208.80-53,095,806.72-21,072,648.48

Finding the Fourth Proportional to 38,475,208.80, 53,095,806.72 and 21,072,648.48

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Solution

The fourth proportional to 38,475,208.80, 53,095,806.72 and 21,072,648.48 is: 29,080,265.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,475,208.80 : 53,095,806.72 = 21,072,648.48 : x
  2. Step 2: Convert to fraction form
    38,475,208.80/53,095,806.72 = 21,072,648.48/x
  3. Step 3: Cross multiply
    38,475,208.80x = 53,095,806.72 × 21,072,648.48
  4. Step 4: Simplify right side
    38,475,208.80x = 1,118,869,270,772,581.75
  5. Step 5: Solve for x
    x = 1,118,869,270,772,581.75/38,475,208.80
  6. Step 6: Final answer
    x = 29,080,265.08

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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.