Home / 21,548,070.90-29,736,968.81-11,759,145.84

Finding the Fourth Proportional to 21,548,070.90, 29,736,968.81 and 11,759,145.84

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Solution

The fourth proportional to 21,548,070.90, 29,736,968.81 and 11,759,145.84 is: 16,227,965.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,548,070.90 : 29,736,968.81 = 11,759,145.84 : x
  2. Step 2: Convert to fraction form
    21,548,070.90/29,736,968.81 = 11,759,145.84/x
  3. Step 3: Cross multiply
    21,548,070.90x = 29,736,968.81 × 11,759,145.84
  4. Step 4: Simplify right side
    21,548,070.90x = 349,681,353,017,525.50
  5. Step 5: Solve for x
    x = 349,681,353,017,525.50/21,548,070.90
  6. Step 6: Final answer
    x = 16,227,965.59

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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.