Home / 25,871,790.60-38,782,802.70-20,111,329.80

Finding the Fourth Proportional to 25,871,790.60, 38,782,802.70 and 20,111,329.80

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Solution

The fourth proportional to 25,871,790.60, 38,782,802.70 and 20,111,329.80 is: 30,147,651.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,871,790.60 : 38,782,802.70 = 20,111,329.80 : x
  2. Step 2: Convert to fraction form
    25,871,790.60/38,782,802.70 = 20,111,329.80/x
  3. Step 3: Cross multiply
    25,871,790.60x = 38,782,802.70 × 20,111,329.80
  4. Step 4: Simplify right side
    25,871,790.60x = 779,973,735,668,030.50
  5. Step 5: Solve for x
    x = 779,973,735,668,030.50/25,871,790.60
  6. Step 6: Final answer
    x = 30,147,651.85

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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.