Home / 21,058,638.17-31,567,777.73-8,911,391.63

Finding the Fourth Proportional to 21,058,638.17, 31,567,777.73 and 8,911,391.63

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Solution

The fourth proportional to 21,058,638.17, 31,567,777.73 and 8,911,391.63 is: 13,358,548.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,058,638.17 : 31,567,777.73 = 8,911,391.63 : x
  2. Step 2: Convert to fraction form
    21,058,638.17/31,567,777.73 = 8,911,391.63/x
  3. Step 3: Cross multiply
    21,058,638.17x = 31,567,777.73 × 8,911,391.63
  4. Step 4: Simplify right side
    21,058,638.17x = 281,312,830,196,265.47
  5. Step 5: Solve for x
    x = 281,312,830,196,265.47/21,058,638.17
  6. Step 6: Final answer
    x = 13,358,548.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.