Home / 21,584,792.36-29,784,145.02-13,860,298.64

Finding the Fourth Proportional to 21,584,792.36, 29,784,145.02 and 13,860,298.64

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Solution

The fourth proportional to 21,584,792.36, 29,784,145.02 and 13,860,298.64 is: 19,125,370.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,584,792.36 : 29,784,145.02 = 13,860,298.64 : x
  2. Step 2: Convert to fraction form
    21,584,792.36/29,784,145.02 = 13,860,298.64/x
  3. Step 3: Cross multiply
    21,584,792.36x = 29,784,145.02 × 13,860,298.64
  4. Step 4: Simplify right side
    21,584,792.36x = 412,817,144,714,268.81
  5. Step 5: Solve for x
    x = 412,817,144,714,268.81/21,584,792.36
  6. Step 6: Final answer
    x = 19,125,370.21

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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.