Home / 21,140,208-29,173,516.20-11,482,416

Finding the Fourth Proportional to 21,140,208, 29,173,516.20 and 11,482,416

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Solution

The fourth proportional to 21,140,208, 29,173,516.20 and 11,482,416 is: 15,845,749.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,140,208 : 29,173,516.20 = 11,482,416 : x
  2. Step 2: Convert to fraction form
    21,140,208/29,173,516.20 = 11,482,416/x
  3. Step 3: Cross multiply
    21,140,208x = 29,173,516.20 × 11,482,416
  4. Step 4: Simplify right side
    21,140,208x = 334,982,449,191,139.19
  5. Step 5: Solve for x
    x = 334,982,449,191,139.19/21,140,208
  6. Step 6: Final answer
    x = 15,845,749.92

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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.