Home / 17,977,355.60-26,966,033.40-10,400,421.20

Finding the Fourth Proportional to 17,977,355.60, 26,966,033.40 and 10,400,421.20

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Solution

The fourth proportional to 17,977,355.60, 26,966,033.40 and 10,400,421.20 is: 15,600,631.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,977,355.60 : 26,966,033.40 = 10,400,421.20 : x
  2. Step 2: Convert to fraction form
    17,977,355.60/26,966,033.40 = 10,400,421.20/x
  3. Step 3: Cross multiply
    17,977,355.60x = 26,966,033.40 × 10,400,421.20
  4. Step 4: Simplify right side
    17,977,355.60x = 280,458,105,453,268.03
  5. Step 5: Solve for x
    x = 280,458,105,453,268.03/17,977,355.60
  6. Step 6: Final answer
    x = 15,600,631.80

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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.