Home / 27,389,802.56-37,797,869.76-15,787,287.68

Finding the Fourth Proportional to 27,389,802.56, 37,797,869.76 and 15,787,287.68

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Solution

The fourth proportional to 27,389,802.56, 37,797,869.76 and 15,787,287.68 is: 21,786,423.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,389,802.56 : 37,797,869.76 = 15,787,287.68 : x
  2. Step 2: Convert to fraction form
    27,389,802.56/37,797,869.76 = 15,787,287.68/x
  3. Step 3: Cross multiply
    27,389,802.56x = 37,797,869.76 × 15,787,287.68
  4. Step 4: Simplify right side
    27,389,802.56x = 596,725,843,592,292.50
  5. Step 5: Solve for x
    x = 596,725,843,592,292.50/27,389,802.56
  6. Step 6: Final answer
    x = 21,786,423.70

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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.