Home / 28,353,638.40-42,561,950.40-17,583,100.80

Finding the Fourth Proportional to 28,353,638.40, 42,561,950.40 and 17,583,100.80

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Solution

The fourth proportional to 28,353,638.40, 42,561,950.40 and 17,583,100.80 is: 26,394,181.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,353,638.40 : 42,561,950.40 = 17,583,100.80 : x
  2. Step 2: Convert to fraction form
    28,353,638.40/42,561,950.40 = 17,583,100.80/x
  3. Step 3: Cross multiply
    28,353,638.40x = 42,561,950.40 × 17,583,100.80
  4. Step 4: Simplify right side
    28,353,638.40x = 748,371,064,127,800.38
  5. Step 5: Solve for x
    x = 748,371,064,127,800.38/28,353,638.40
  6. Step 6: Final answer
    x = 26,394,181.01

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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.