Home / 10,018,499.80-13,825,556.40-5,434,821.40

Finding the Fourth Proportional to 10,018,499.80, 13,825,556.40 and 5,434,821.40

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Solution

The fourth proportional to 10,018,499.80, 13,825,556.40 and 5,434,821.40 is: 7,500,068.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,018,499.80 : 13,825,556.40 = 5,434,821.40 : x
  2. Step 2: Convert to fraction form
    10,018,499.80/13,825,556.40 = 5,434,821.40/x
  3. Step 3: Cross multiply
    10,018,499.80x = 13,825,556.40 × 5,434,821.40
  4. Step 4: Simplify right side
    10,018,499.80x = 75,139,429,789,626.97
  5. Step 5: Solve for x
    x = 75,139,429,789,626.97/10,018,499.80
  6. Step 6: Final answer
    x = 7,500,068.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.