Home / 14,001,971.20-21,002,956.80-9,216,102.40

Finding the Fourth Proportional to 14,001,971.20, 21,002,956.80 and 9,216,102.40

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Solution

The fourth proportional to 14,001,971.20, 21,002,956.80 and 9,216,102.40 is: 13,824,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001,971.20 : 21,002,956.80 = 9,216,102.40 : x
  2. Step 2: Convert to fraction form
    14,001,971.20/21,002,956.80 = 9,216,102.40/x
  3. Step 3: Cross multiply
    14,001,971.20x = 21,002,956.80 × 9,216,102.40
  4. Step 4: Simplify right side
    14,001,971.20x = 193,565,400,571,576.34
  5. Step 5: Solve for x
    x = 193,565,400,571,576.34/14,001,971.20
  6. Step 6: Final answer
    x = 13,824,153.60

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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.