Home / 15,977,124.60-23,965,686.90-13,426,207.80

Finding the Fourth Proportional to 15,977,124.60, 23,965,686.90 and 13,426,207.80

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Solution

The fourth proportional to 15,977,124.60, 23,965,686.90 and 13,426,207.80 is: 20,139,311.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,977,124.60 : 23,965,686.90 = 13,426,207.80 : x
  2. Step 2: Convert to fraction form
    15,977,124.60/23,965,686.90 = 13,426,207.80/x
  3. Step 3: Cross multiply
    15,977,124.60x = 23,965,686.90 × 13,426,207.80
  4. Step 4: Simplify right side
    15,977,124.60x = 321,768,292,389,137.81
  5. Step 5: Solve for x
    x = 321,768,292,389,137.81/15,977,124.60
  6. Step 6: Final answer
    x = 20,139,311.70

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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.