Home / 21,621,197.07-29,837,254.95-11,831,643.63

Finding the Fourth Proportional to 21,621,197.07, 29,837,254.95 and 11,831,643.63

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Solution

The fourth proportional to 21,621,197.07, 29,837,254.95 and 11,831,643.63 is: 16,327,669.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,621,197.07 : 29,837,254.95 = 11,831,643.63 : x
  2. Step 2: Convert to fraction form
    21,621,197.07/29,837,254.95 = 11,831,643.63/x
  3. Step 3: Cross multiply
    21,621,197.07x = 29,837,254.95 × 11,831,643.63
  4. Step 4: Simplify right side
    21,621,197.07x = 353,023,767,465,853.50
  5. Step 5: Solve for x
    x = 353,023,767,465,853.50/21,621,197.07
  6. Step 6: Final answer
    x = 16,327,669.85

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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.