Home / 10,862,097.40-16,303,643.70-5,476,828.60

Finding the Fourth Proportional to 10,862,097.40, 16,303,643.70 and 5,476,828.60

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Solution

The fourth proportional to 10,862,097.40, 16,303,643.70 and 5,476,828.60 is: 8,220,535.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,862,097.40 : 16,303,643.70 = 5,476,828.60 : x
  2. Step 2: Convert to fraction form
    10,862,097.40/16,303,643.70 = 5,476,828.60/x
  3. Step 3: Cross multiply
    10,862,097.40x = 16,303,643.70 × 5,476,828.60
  4. Step 4: Simplify right side
    10,862,097.40x = 89,292,262,100,369.81
  5. Step 5: Solve for x
    x = 89,292,262,100,369.81/10,862,097.40
  6. Step 6: Final answer
    x = 8,220,535.94

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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.