Home / 15,977,217.60-23,965,826.40-13,426,300.80

Finding the Fourth Proportional to 15,977,217.60, 23,965,826.40 and 13,426,300.80

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Solution

The fourth proportional to 15,977,217.60, 23,965,826.40 and 13,426,300.80 is: 20,139,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,977,217.60 : 23,965,826.40 = 13,426,300.80 : x
  2. Step 2: Convert to fraction form
    15,977,217.60/23,965,826.40 = 13,426,300.80/x
  3. Step 3: Cross multiply
    15,977,217.60x = 23,965,826.40 × 13,426,300.80
  4. Step 4: Simplify right side
    15,977,217.60x = 321,772,394,166,981.12
  5. Step 5: Solve for x
    x = 321,772,394,166,981.12/15,977,217.60
  6. Step 6: Final answer
    x = 20,139,451.20

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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.