Home / 15,958,790.64-22,021,886.34-9,431,178.84

Finding the Fourth Proportional to 15,958,790.64, 22,021,886.34 and 9,431,178.84

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Solution

The fourth proportional to 15,958,790.64, 22,021,886.34 and 9,431,178.84 is: 13,014,291.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,958,790.64 : 22,021,886.34 = 9,431,178.84 : x
  2. Step 2: Convert to fraction form
    15,958,790.64/22,021,886.34 = 9,431,178.84/x
  3. Step 3: Cross multiply
    15,958,790.64x = 22,021,886.34 × 9,431,178.84
  4. Step 4: Simplify right side
    15,958,790.64x = 207,692,348,466,693.03
  5. Step 5: Solve for x
    x = 207,692,348,466,693.03/15,958,790.64
  6. Step 6: Final answer
    x = 13,014,291.19

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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.