Home / 27,762,657.75-38,316,792.30-15,841,495.03

Finding the Fourth Proportional to 27,762,657.75, 38,316,792.30 and 15,841,495.03

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Solution

The fourth proportional to 27,762,657.75, 38,316,792.30 and 15,841,495.03 is: 21,863,730.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,762,657.75 : 38,316,792.30 = 15,841,495.03 : x
  2. Step 2: Convert to fraction form
    27,762,657.75/38,316,792.30 = 15,841,495.03/x
  3. Step 3: Cross multiply
    27,762,657.75x = 38,316,792.30 × 15,841,495.03
  4. Step 4: Simplify right side
    27,762,657.75x = 606,995,274,889,285.88
  5. Step 5: Solve for x
    x = 606,995,274,889,285.88/27,762,657.75
  6. Step 6: Final answer
    x = 21,863,730.78

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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.