Home / 21,362,782.90-29,480,477.45-11,573,157.06

Finding the Fourth Proportional to 21,362,782.90, 29,480,477.45 and 11,573,157.06

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Solution

The fourth proportional to 21,362,782.90, 29,480,477.45 and 11,573,157.06 is: 15,970,868.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,362,782.90 : 29,480,477.45 = 11,573,157.06 : x
  2. Step 2: Convert to fraction form
    21,362,782.90/29,480,477.45 = 11,573,157.06/x
  3. Step 3: Cross multiply
    21,362,782.90x = 29,480,477.45 × 11,573,157.06
  4. Step 4: Simplify right side
    21,362,782.90x = 341,182,195,732,638.31
  5. Step 5: Solve for x
    x = 341,182,195,732,638.31/21,362,782.90
  6. Step 6: Final answer
    x = 15,970,868.46

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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.