Home / 21,362,784.15-29,480,479.17-11,573,158.31

Finding the Fourth Proportional to 21,362,784.15, 29,480,479.17 and 11,573,158.31

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Solution

The fourth proportional to 21,362,784.15, 29,480,479.17 and 11,573,158.31 is: 15,970,870.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,362,784.15 : 29,480,479.17 = 11,573,158.31 : x
  2. Step 2: Convert to fraction form
    21,362,784.15/29,480,479.17 = 11,573,158.31/x
  3. Step 3: Cross multiply
    21,362,784.15x = 29,480,479.17 × 11,573,158.31
  4. Step 4: Simplify right side
    21,362,784.15x = 341,182,252,341,665
  5. Step 5: Solve for x
    x = 341,182,252,341,665/21,362,784.15
  6. Step 6: Final answer
    x = 15,970,870.18

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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.