Home / 9,431,138-13,014,970.58-5,138,786

Finding the Fourth Proportional to 9,431,138, 13,014,970.58 and 5,138,786

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Solution

The fourth proportional to 9,431,138, 13,014,970.58 and 5,138,786 is: 7,091,524.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431,138 : 13,014,970.58 = 5,138,786 : x
  2. Step 2: Convert to fraction form
    9,431,138/13,014,970.58 = 5,138,786/x
  3. Step 3: Cross multiply
    9,431,138x = 13,014,970.58 × 5,138,786
  4. Step 4: Simplify right side
    9,431,138x = 66,881,148,606,915.88
  5. Step 5: Solve for x
    x = 66,881,148,606,915.88/9,431,138
  6. Step 6: Final answer
    x = 7,091,524.76

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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.