Home / 39,031,602.63-53,864,792.60-21,626,319.39

Finding the Fourth Proportional to 39,031,602.63, 53,864,792.60 and 21,626,319.39

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Solution

The fourth proportional to 39,031,602.63, 53,864,792.60 and 21,626,319.39 is: 29,844,975.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,031,602.63 : 53,864,792.60 = 21,626,319.39 : x
  2. Step 2: Convert to fraction form
    39,031,602.63/53,864,792.60 = 21,626,319.39/x
  3. Step 3: Cross multiply
    39,031,602.63x = 53,864,792.60 × 21,626,319.39
  4. Step 4: Simplify right side
    39,031,602.63x = 1,164,897,208,428,450.50
  5. Step 5: Solve for x
    x = 1,164,897,208,428,450.50/39,031,602.63
  6. Step 6: Final answer
    x = 29,844,975.10

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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.