Home / 21,637,654.08-29,860,764.96-12,346,733.76

Finding the Fourth Proportional to 21,637,654.08, 29,860,764.96 and 12,346,733.76

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Solution

The fourth proportional to 21,637,654.08, 29,860,764.96 and 12,346,733.76 is: 17,038,950.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,637,654.08 : 29,860,764.96 = 12,346,733.76 : x
  2. Step 2: Convert to fraction form
    21,637,654.08/29,860,764.96 = 12,346,733.76/x
  3. Step 3: Cross multiply
    21,637,654.08x = 29,860,764.96 × 12,346,733.76
  4. Step 4: Simplify right side
    21,637,654.08x = 368,682,914,831,057.06
  5. Step 5: Solve for x
    x = 368,682,914,831,057.06/21,637,654.08
  6. Step 6: Final answer
    x = 17,038,950.41

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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.