Home / 9,431,135.76-13,014,967.48-5,138,783.76

Finding the Fourth Proportional to 9,431,135.76, 13,014,967.48 and 5,138,783.76

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Solution

The fourth proportional to 9,431,135.76, 13,014,967.48 and 5,138,783.76 is: 7,091,521.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431,135.76 : 13,014,967.48 = 5,138,783.76 : x
  2. Step 2: Convert to fraction form
    9,431,135.76/13,014,967.48 = 5,138,783.76/x
  3. Step 3: Cross multiply
    9,431,135.76x = 13,014,967.48 × 5,138,783.76
  4. Step 4: Simplify right side
    9,431,135.76x = 66,881,103,523,152.12
  5. Step 5: Solve for x
    x = 66,881,103,523,152.12/9,431,135.76
  6. Step 6: Final answer
    x = 7,091,521.66

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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.