Home / 28,773,829.44-39,707,421.30-15,720,807.96

Finding the Fourth Proportional to 28,773,829.44, 39,707,421.30 and 15,720,807.96

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Solution

The fourth proportional to 28,773,829.44, 39,707,421.30 and 15,720,807.96 is: 21,694,461.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,773,829.44 : 39,707,421.30 = 15,720,807.96 : x
  2. Step 2: Convert to fraction form
    28,773,829.44/39,707,421.30 = 15,720,807.96/x
  3. Step 3: Cross multiply
    28,773,829.44x = 39,707,421.30 × 15,720,807.96
  4. Step 4: Simplify right side
    28,773,829.44x = 624,232,744,844,113.50
  5. Step 5: Solve for x
    x = 624,232,744,844,113.50/28,773,829.44
  6. Step 6: Final answer
    x = 21,694,461.84

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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.