Home / 43,699,571.55-65,624,006.93-28,620,352.35

Finding the Fourth Proportional to 43,699,571.55, 65,624,006.93 and 28,620,352.35

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Solution

The fourth proportional to 43,699,571.55, 65,624,006.93 and 28,620,352.35 is: 42,979,419.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,699,571.55 : 65,624,006.93 = 28,620,352.35 : x
  2. Step 2: Convert to fraction form
    43,699,571.55/65,624,006.93 = 28,620,352.35/x
  3. Step 3: Cross multiply
    43,699,571.55x = 65,624,006.93 × 28,620,352.35
  4. Step 4: Simplify right side
    43,699,571.55x = 1,878,182,200,812,340
  5. Step 5: Solve for x
    x = 1,878,182,200,812,340/43,699,571.55
  6. Step 6: Final answer
    x = 42,979,419.12

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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.