Home / 21,779,889.07-30,058,003.77-12,488,323.58

Finding the Fourth Proportional to 21,779,889.07, 30,058,003.77 and 12,488,323.58

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Solution

The fourth proportional to 21,779,889.07, 30,058,003.77 and 12,488,323.58 is: 17,234,893.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,779,889.07 : 30,058,003.77 = 12,488,323.58 : x
  2. Step 2: Convert to fraction form
    21,779,889.07/30,058,003.77 = 12,488,323.58/x
  3. Step 3: Cross multiply
    21,779,889.07x = 30,058,003.77 × 12,488,323.58
  4. Step 4: Simplify right side
    21,779,889.07x = 375,374,077,333,292.44
  5. Step 5: Solve for x
    x = 375,374,077,333,292.44/21,779,889.07
  6. Step 6: Final answer
    x = 17,234,893.90

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1.5x scale

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.