Home / 15,772,538.63-21,766,133.43-8,708,145.53

Finding the Fourth Proportional to 15,772,538.63, 21,766,133.43 and 8,708,145.53

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Solution

The fourth proportional to 15,772,538.63, 21,766,133.43 and 8,708,145.53 is: 12,017,257.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,772,538.63 : 21,766,133.43 = 8,708,145.53 : x
  2. Step 2: Convert to fraction form
    15,772,538.63/21,766,133.43 = 8,708,145.53/x
  3. Step 3: Cross multiply
    15,772,538.63x = 21,766,133.43 × 8,708,145.53
  4. Step 4: Simplify right side
    15,772,538.63x = 189,542,657,533,838.06
  5. Step 5: Solve for x
    x = 189,542,657,533,838.06/15,772,538.63
  6. Step 6: Final answer
    x = 12,017,257.46

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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.