Home / 28,461,483.46-39,276,572.25-15,408,407.62

Finding the Fourth Proportional to 28,461,483.46, 39,276,572.25 and 15,408,407.62

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Solution

The fourth proportional to 28,461,483.46, 39,276,572.25 and 15,408,407.62 is: 21,263,453.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,461,483.46 : 39,276,572.25 = 15,408,407.62 : x
  2. Step 2: Convert to fraction form
    28,461,483.46/39,276,572.25 = 15,408,407.62/x
  3. Step 3: Cross multiply
    28,461,483.46x = 39,276,572.25 × 15,408,407.62
  4. Step 4: Simplify right side
    28,461,483.46x = 605,189,435,144,380.50
  5. Step 5: Solve for x
    x = 605,189,435,144,380.50/28,461,483.46
  6. Step 6: Final answer
    x = 21,263,453.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.