Home / 39,909,628-55,084,101.36-25,946,682.40

Finding the Fourth Proportional to 39,909,628, 55,084,101.36 and 25,946,682.40

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Solution

The fourth proportional to 39,909,628, 55,084,101.36 and 25,946,682.40 is: 35,812,152.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,909,628 : 55,084,101.36 = 25,946,682.40 : x
  2. Step 2: Convert to fraction form
    39,909,628/55,084,101.36 = 25,946,682.40/x
  3. Step 3: Cross multiply
    39,909,628x = 55,084,101.36 × 25,946,682.40
  4. Step 4: Simplify right side
    39,909,628x = 1,429,249,683,277,328
  5. Step 5: Solve for x
    x = 1,429,249,683,277,328/39,909,628
  6. Step 6: Final answer
    x = 35,812,152.48

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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.