Home / 21,017,449.60-31,526,174.40-11,916,030.40

Finding the Fourth Proportional to 21,017,449.60, 31,526,174.40 and 11,916,030.40

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Solution

The fourth proportional to 21,017,449.60, 31,526,174.40 and 11,916,030.40 is: 17,874,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,017,449.60 : 31,526,174.40 = 11,916,030.40 : x
  2. Step 2: Convert to fraction form
    21,017,449.60/31,526,174.40 = 11,916,030.40/x
  3. Step 3: Cross multiply
    21,017,449.60x = 31,526,174.40 × 11,916,030.40
  4. Step 4: Simplify right side
    21,017,449.60x = 375,666,852,546,101.75
  5. Step 5: Solve for x
    x = 375,666,852,546,101.75/21,017,449.60
  6. Step 6: Final answer
    x = 17,874,045.60

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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.