Home / 15,071,075.37-20,797,455.87-8,545,146.30

Finding the Fourth Proportional to 15,071,075.37, 20,797,455.87 and 8,545,146.30

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Solution

The fourth proportional to 15,071,075.37, 20,797,455.87 and 8,545,146.30 is: 11,791,945.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,071,075.37 : 20,797,455.87 = 8,545,146.30 : x
  2. Step 2: Convert to fraction form
    15,071,075.37/20,797,455.87 = 8,545,146.30/x
  3. Step 3: Cross multiply
    15,071,075.37x = 20,797,455.87 × 8,545,146.30
  4. Step 4: Simplify right side
    15,071,075.37x = 177,717,303,076,943.81
  5. Step 5: Solve for x
    x = 177,717,303,076,943.81/15,071,075.37
  6. Step 6: Final answer
    x = 11,791,945.74

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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.