Home / 15,756,426.78-21,761,805.06-10,590,820.26

Finding the Fourth Proportional to 15,756,426.78, 21,761,805.06 and 10,590,820.26

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Solution

The fourth proportional to 15,756,426.78, 21,761,805.06 and 10,590,820.26 is: 14,627,387.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,756,426.78 : 21,761,805.06 = 10,590,820.26 : x
  2. Step 2: Convert to fraction form
    15,756,426.78/21,761,805.06 = 10,590,820.26/x
  3. Step 3: Cross multiply
    15,756,426.78x = 21,761,805.06 × 10,590,820.26
  4. Step 4: Simplify right side
    15,756,426.78x = 230,475,365,923,618.50
  5. Step 5: Solve for x
    x = 230,475,365,923,618.50/15,756,426.78
  6. Step 6: Final answer
    x = 14,627,387.87

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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.