Home / 6,281,286.40-9,421,929.60-4,128,950.35

Finding the Fourth Proportional to 6,281,286.40, 9,421,929.60 and 4,128,950.35

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Solution

The fourth proportional to 6,281,286.40, 9,421,929.60 and 4,128,950.35 is: 6,193,425.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281,286.40 : 9,421,929.60 = 4,128,950.35 : x
  2. Step 2: Convert to fraction form
    6,281,286.40/9,421,929.60 = 4,128,950.35/x
  3. Step 3: Cross multiply
    6,281,286.40x = 9,421,929.60 × 4,128,950.35
  4. Step 4: Simplify right side
    6,281,286.40x = 38,902,679,519,595.36
  5. Step 5: Solve for x
    x = 38,902,679,519,595.36/6,281,286.40
  6. Step 6: Final answer
    x = 6,193,425.53

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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.