Home / 21,997,145.40-33,007,527.90-9,218,941.80

Finding the Fourth Proportional to 21,997,145.40, 33,007,527.90 and 9,218,941.80

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Solution

The fourth proportional to 21,997,145.40, 33,007,527.90 and 9,218,941.80 is: 13,833,362.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,997,145.40 : 33,007,527.90 = 9,218,941.80 : x
  2. Step 2: Convert to fraction form
    21,997,145.40/33,007,527.90 = 9,218,941.80/x
  3. Step 3: Cross multiply
    21,997,145.40x = 33,007,527.90 × 9,218,941.80
  4. Step 4: Simplify right side
    21,997,145.40x = 304,294,478,671,976.25
  5. Step 5: Solve for x
    x = 304,294,478,671,976.25/21,997,145.40
  6. Step 6: Final answer
    x = 13,833,362.15

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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.