Home / 15,627,809.55-21,566,097.44-8,658,347.28

Finding the Fourth Proportional to 15,627,809.55, 21,566,097.44 and 8,658,347.28

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Solution

The fourth proportional to 15,627,809.55, 21,566,097.44 and 8,658,347.28 is: 11,948,364.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,627,809.55 : 21,566,097.44 = 8,658,347.28 : x
  2. Step 2: Convert to fraction form
    15,627,809.55/21,566,097.44 = 8,658,347.28/x
  3. Step 3: Cross multiply
    15,627,809.55x = 21,566,097.44 × 8,658,347.28
  4. Step 4: Simplify right side
    15,627,809.55x = 186,726,761,042,490.44
  5. Step 5: Solve for x
    x = 186,726,761,042,490.44/15,627,809.55
  6. Step 6: Final answer
    x = 11,948,364.26

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1.5x scale

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.