Home / 27,902,659.50-38,506,504.37-15,343,061.77

Finding the Fourth Proportional to 27,902,659.50, 38,506,504.37 and 15,343,061.77

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Solution

The fourth proportional to 27,902,659.50, 38,506,504.37 and 15,343,061.77 is: 21,173,883.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,902,659.50 : 38,506,504.37 = 15,343,061.77 : x
  2. Step 2: Convert to fraction form
    27,902,659.50/38,506,504.37 = 15,343,061.77/x
  3. Step 3: Cross multiply
    27,902,659.50x = 38,506,504.37 × 15,343,061.77
  4. Step 4: Simplify right side
    27,902,659.50x = 590,807,675,095,684.88
  5. Step 5: Solve for x
    x = 590,807,675,095,684.88/27,902,659.50
  6. Step 6: Final answer
    x = 21,173,883.98

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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.