Home / 39,307,390.40-58,905,098.40-28,991,748.80

Finding the Fourth Proportional to 39,307,390.40, 58,905,098.40 and 28,991,748.80

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Solution

The fourth proportional to 39,307,390.40, 58,905,098.40 and 28,991,748.80 is: 43,446,329.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,307,390.40 : 58,905,098.40 = 28,991,748.80 : x
  2. Step 2: Convert to fraction form
    39,307,390.40/58,905,098.40 = 28,991,748.80/x
  3. Step 3: Cross multiply
    39,307,390.40x = 58,905,098.40 × 28,991,748.80
  4. Step 4: Simplify right side
    39,307,390.40x = 1,707,761,815,852,082
  5. Step 5: Solve for x
    x = 1,707,761,815,852,082/39,307,390.40
  6. Step 6: Final answer
    x = 43,446,329.01

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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.