Home / 14,097,455.20-21,151,712.40-5,122,914.40

Finding the Fourth Proportional to 14,097,455.20, 21,151,712.40 and 5,122,914.40

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Solution

The fourth proportional to 14,097,455.20, 21,151,712.40 and 5,122,914.40 is: 7,686,381.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,097,455.20 : 21,151,712.40 = 5,122,914.40 : x
  2. Step 2: Convert to fraction form
    14,097,455.20/21,151,712.40 = 5,122,914.40/x
  3. Step 3: Cross multiply
    14,097,455.20x = 21,151,712.40 × 5,122,914.40
  4. Step 4: Simplify right side
    14,097,455.20x = 108,358,412,038,618.56
  5. Step 5: Solve for x
    x = 108,358,412,038,618.56/14,097,455.20
  6. Step 6: Final answer
    x = 7,686,381.02

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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.