Home / 28,977,506.40-43,466,259.60-21,749,908.80

Finding the Fourth Proportional to 28,977,506.40, 43,466,259.60 and 21,749,908.80

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Solution

The fourth proportional to 28,977,506.40, 43,466,259.60 and 21,749,908.80 is: 32,624,863.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977,506.40 : 43,466,259.60 = 21,749,908.80 : x
  2. Step 2: Convert to fraction form
    28,977,506.40/43,466,259.60 = 21,749,908.80/x
  3. Step 3: Cross multiply
    28,977,506.40x = 43,466,259.60 × 21,749,908.80
  4. Step 4: Simplify right side
    28,977,506.40x = 945,387,182,177,124.50
  5. Step 5: Solve for x
    x = 945,387,182,177,124.50/28,977,506.40
  6. Step 6: Final answer
    x = 32,624,863.20

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1.5x scale

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.