Home / 28,869,016.01-39,839,274.09-15,817,109.36

Finding the Fourth Proportional to 28,869,016.01, 39,839,274.09 and 15,817,109.36

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Solution

The fourth proportional to 28,869,016.01, 39,839,274.09 and 15,817,109.36 is: 21,827,628.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,869,016.01 : 39,839,274.09 = 15,817,109.36 : x
  2. Step 2: Convert to fraction form
    28,869,016.01/39,839,274.09 = 15,817,109.36/x
  3. Step 3: Cross multiply
    28,869,016.01x = 39,839,274.09 × 15,817,109.36
  4. Step 4: Simplify right side
    28,869,016.01x = 630,142,154,905,348.12
  5. Step 5: Solve for x
    x = 630,142,154,905,348.12/28,869,016.01
  6. Step 6: Final answer
    x = 21,827,628.44

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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.