Home / 21,362,784.40-29,480,479.52-11,573,158.56

Finding the Fourth Proportional to 21,362,784.40, 29,480,479.52 and 11,573,158.56

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Solution

The fourth proportional to 21,362,784.40, 29,480,479.52 and 11,573,158.56 is: 15,970,870.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,362,784.40 : 29,480,479.52 = 11,573,158.56 : x
  2. Step 2: Convert to fraction form
    21,362,784.40/29,480,479.52 = 11,573,158.56/x
  3. Step 3: Cross multiply
    21,362,784.40x = 29,480,479.52 × 11,573,158.56
  4. Step 4: Simplify right side
    21,362,784.40x = 341,182,263,909,792.69
  5. Step 5: Solve for x
    x = 341,182,263,909,792.69/21,362,784.40
  6. Step 6: Final answer
    x = 15,970,870.53

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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.