Home / 21,362,783.40-29,480,478.14-11,573,157.56

Finding the Fourth Proportional to 21,362,783.40, 29,480,478.14 and 11,573,157.56

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Solution

The fourth proportional to 21,362,783.40, 29,480,478.14 and 11,573,157.56 is: 15,970,869.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,362,783.40 : 29,480,478.14 = 11,573,157.56 : x
  2. Step 2: Convert to fraction form
    21,362,783.40/29,480,478.14 = 11,573,157.56/x
  3. Step 3: Cross multiply
    21,362,783.40x = 29,480,478.14 × 11,573,157.56
  4. Step 4: Simplify right side
    21,362,783.40x = 341,182,218,339,886.19
  5. Step 5: Solve for x
    x = 341,182,218,339,886.19/21,362,783.40
  6. Step 6: Final answer
    x = 15,970,869.15

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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.