Home / 21,204,316.08-29,261,301.84-12,503,030.40

Finding the Fourth Proportional to 21,204,316.08, 29,261,301.84 and 12,503,030.40

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Solution

The fourth proportional to 21,204,316.08, 29,261,301.84 and 12,503,030.40 is: 17,253,796.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,204,316.08 : 29,261,301.84 = 12,503,030.40 : x
  2. Step 2: Convert to fraction form
    21,204,316.08/29,261,301.84 = 12,503,030.40/x
  3. Step 3: Cross multiply
    21,204,316.08x = 29,261,301.84 × 12,503,030.40
  4. Step 4: Simplify right side
    21,204,316.08x = 365,854,946,449,095.94
  5. Step 5: Solve for x
    x = 365,854,946,449,095.94/21,204,316.08
  6. Step 6: Final answer
    x = 17,253,796.12

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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.