Home / 25,877,690.60-38,748,107.10-20,736,199.40

Finding the Fourth Proportional to 25,877,690.60, 38,748,107.10 and 20,736,199.40

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Solution

The fourth proportional to 25,877,690.60, 38,748,107.10 and 20,736,199.40 is: 31,049,466.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,877,690.60 : 38,748,107.10 = 20,736,199.40 : x
  2. Step 2: Convert to fraction form
    25,877,690.60/38,748,107.10 = 20,736,199.40/x
  3. Step 3: Cross multiply
    25,877,690.60x = 38,748,107.10 × 20,736,199.40
  4. Step 4: Simplify right side
    25,877,690.60x = 803,488,475,198,155.75
  5. Step 5: Solve for x
    x = 803,488,475,198,155.75/25,877,690.60
  6. Step 6: Final answer
    x = 31,049,466.03

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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.