Home / 14,036,307.60-21,054,461.40-11,981,402.40

Finding the Fourth Proportional to 14,036,307.60, 21,054,461.40 and 11,981,402.40

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Solution

The fourth proportional to 14,036,307.60, 21,054,461.40 and 11,981,402.40 is: 17,972,103.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,036,307.60 : 21,054,461.40 = 11,981,402.40 : x
  2. Step 2: Convert to fraction form
    14,036,307.60/21,054,461.40 = 11,981,402.40/x
  3. Step 3: Cross multiply
    14,036,307.60x = 21,054,461.40 × 11,981,402.40
  4. Step 4: Simplify right side
    14,036,307.60x = 252,261,974,348,667.34
  5. Step 5: Solve for x
    x = 252,261,974,348,667.34/14,036,307.60
  6. Step 6: Final answer
    x = 17,972,103.60

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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.