Home / 28,977,507.40-43,466,261.10-21,749,909.80

Finding the Fourth Proportional to 28,977,507.40, 43,466,261.10 and 21,749,909.80

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Solution

The fourth proportional to 28,977,507.40, 43,466,261.10 and 21,749,909.80 is: 32,624,864.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977,507.40 : 43,466,261.10 = 21,749,909.80 : x
  2. Step 2: Convert to fraction form
    28,977,507.40/43,466,261.10 = 21,749,909.80/x
  3. Step 3: Cross multiply
    28,977,507.40x = 43,466,261.10 × 21,749,909.80
  4. Step 4: Simplify right side
    28,977,507.40x = 945,387,258,268,248.88
  5. Step 5: Solve for x
    x = 945,387,258,268,248.88/28,977,507.40
  6. Step 6: Final answer
    x = 32,624,864.70

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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.