Home / 39,938,973.80-55,106,269.45-27,545,105.48

Finding the Fourth Proportional to 39,938,973.80, 55,106,269.45 and 27,545,105.48

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Solution

The fourth proportional to 39,938,973.80, 55,106,269.45 and 27,545,105.48 is: 38,005,683.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,938,973.80 : 55,106,269.45 = 27,545,105.48 : x
  2. Step 2: Convert to fraction form
    39,938,973.80/55,106,269.45 = 27,545,105.48/x
  3. Step 3: Cross multiply
    39,938,973.80x = 55,106,269.45 × 27,545,105.48
  4. Step 4: Simplify right side
    39,938,973.80x = 1,517,908,004,265,157.50
  5. Step 5: Solve for x
    x = 1,517,908,004,265,157.50/39,938,973.80
  6. Step 6: Final answer
    x = 38,005,683.67

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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.