Home / 14,017,142.80-21,032,712.60-7,956,528.40

Finding the Fourth Proportional to 14,017,142.80, 21,032,712.60 and 7,956,528.40

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Solution

The fourth proportional to 14,017,142.80, 21,032,712.60 and 7,956,528.40 is: 11,938,765.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,017,142.80 : 21,032,712.60 = 7,956,528.40 : x
  2. Step 2: Convert to fraction form
    14,017,142.80/21,032,712.60 = 7,956,528.40/x
  3. Step 3: Cross multiply
    14,017,142.80x = 21,032,712.60 × 7,956,528.40
  4. Step 4: Simplify right side
    14,017,142.80x = 167,347,375,130,937.88
  5. Step 5: Solve for x
    x = 167,347,375,130,937.88/14,017,142.80
  6. Step 6: Final answer
    x = 11,938,765.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.