Home / 39,031,612.67-53,864,806.38-21,626,329.43

Finding the Fourth Proportional to 39,031,612.67, 53,864,806.38 and 21,626,329.43

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Solution

The fourth proportional to 39,031,612.67, 53,864,806.38 and 21,626,329.43 is: 29,844,988.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,031,612.67 : 53,864,806.38 = 21,626,329.43 : x
  2. Step 2: Convert to fraction form
    39,031,612.67/53,864,806.38 = 21,626,329.43/x
  3. Step 3: Cross multiply
    39,031,612.67x = 53,864,806.38 × 21,626,329.43
  4. Step 4: Simplify right side
    39,031,612.67x = 1,164,898,047,457,045.75
  5. Step 5: Solve for x
    x = 1,164,898,047,457,045.75/39,031,612.67
  6. Step 6: Final answer
    x = 29,844,988.91

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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.