Home / 21,173,075.59-31,761,131.40-8,864,652.93

Finding the Fourth Proportional to 21,173,075.59, 31,761,131.40 and 8,864,652.93

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Solution

The fourth proportional to 21,173,075.59, 31,761,131.40 and 8,864,652.93 is: 13,297,614.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,173,075.59 : 31,761,131.40 = 8,864,652.93 : x
  2. Step 2: Convert to fraction form
    21,173,075.59/31,761,131.40 = 8,864,652.93/x
  3. Step 3: Cross multiply
    21,173,075.59x = 31,761,131.40 × 8,864,652.93
  4. Step 4: Simplify right side
    21,173,075.59x = 281,551,406,321,996.12
  5. Step 5: Solve for x
    x = 281,551,406,321,996.12/21,173,075.59
  6. Step 6: Final answer
    x = 13,297,614.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.