Home / 25,877,491.60-38,747,808.60-20,736,000.40

Finding the Fourth Proportional to 25,877,491.60, 38,747,808.60 and 20,736,000.40

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Solution

The fourth proportional to 25,877,491.60, 38,747,808.60 and 20,736,000.40 is: 31,049,167.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,877,491.60 : 38,747,808.60 = 20,736,000.40 : x
  2. Step 2: Convert to fraction form
    25,877,491.60/38,747,808.60 = 20,736,000.40/x
  3. Step 3: Cross multiply
    25,877,491.60x = 38,747,808.60 × 20,736,000.40
  4. Step 4: Simplify right side
    25,877,491.60x = 803,474,574,628,723.38
  5. Step 5: Solve for x
    x = 803,474,574,628,723.38/25,877,491.60
  6. Step 6: Final answer
    x = 31,049,167.63

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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.