Home / 21,189,261.14-31,767,725.27-9,666,670.16

Finding the Fourth Proportional to 21,189,261.14, 31,767,725.27 and 9,666,670.16

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Solution

The fourth proportional to 21,189,261.14, 31,767,725.27 and 9,666,670.16 is: 14,492,630.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,189,261.14 : 31,767,725.27 = 9,666,670.16 : x
  2. Step 2: Convert to fraction form
    21,189,261.14/31,767,725.27 = 9,666,670.16/x
  3. Step 3: Cross multiply
    21,189,261.14x = 31,767,725.27 × 9,666,670.16
  4. Step 4: Simplify right side
    21,189,261.14x = 307,088,122,022,172.94
  5. Step 5: Solve for x
    x = 307,088,122,022,172.94/21,189,261.14
  6. Step 6: Final answer
    x = 14,492,630.01

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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.