Home / 21,552,846.30-29,742,506.10-11,763,360.72

Finding the Fourth Proportional to 21,552,846.30, 29,742,506.10 and 11,763,360.72

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Solution

The fourth proportional to 21,552,846.30, 29,742,506.10 and 11,763,360.72 is: 16,233,207.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,552,846.30 : 29,742,506.10 = 11,763,360.72 : x
  2. Step 2: Convert to fraction form
    21,552,846.30/29,742,506.10 = 11,763,360.72/x
  3. Step 3: Cross multiply
    21,552,846.30x = 29,742,506.10 × 11,763,360.72
  4. Step 4: Simplify right side
    21,552,846.30x = 349,871,827,971,100.44
  5. Step 5: Solve for x
    x = 349,871,827,971,100.44/21,552,846.30
  6. Step 6: Final answer
    x = 16,233,207.58

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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.