Home / 21,220,572.04-31,830,853.91-9,082,164.35

Finding the Fourth Proportional to 21,220,572.04, 31,830,853.91 and 9,082,164.35

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Solution

The fourth proportional to 21,220,572.04, 31,830,853.91 and 9,082,164.35 is: 13,623,244.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,220,572.04 : 31,830,853.91 = 9,082,164.35 : x
  2. Step 2: Convert to fraction form
    21,220,572.04/31,830,853.91 = 9,082,164.35/x
  3. Step 3: Cross multiply
    21,220,572.04x = 31,830,853.91 × 9,082,164.35
  4. Step 4: Simplify right side
    21,220,572.04x = 289,093,046,645,626.38
  5. Step 5: Solve for x
    x = 289,093,046,645,626.38/21,220,572.04
  6. Step 6: Final answer
    x = 13,623,244.75

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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.