Home / 27,716,794.43-38,249,423.91-15,327,721.72

Finding the Fourth Proportional to 27,716,794.43, 38,249,423.91 and 15,327,721.72

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Solution

The fourth proportional to 27,716,794.43, 38,249,423.91 and 15,327,721.72 is: 21,152,392.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,716,794.43 : 38,249,423.91 = 15,327,721.72 : x
  2. Step 2: Convert to fraction form
    27,716,794.43/38,249,423.91 = 15,327,721.72/x
  3. Step 3: Cross multiply
    27,716,794.43x = 38,249,423.91 × 15,327,721.72
  4. Step 4: Simplify right side
    27,716,794.43x = 586,276,525,475,453
  5. Step 5: Solve for x
    x = 586,276,525,475,453/27,716,794.43
  6. Step 6: Final answer
    x = 21,152,392.89

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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.