Home / 13,791,538.72-19,032,323.28-7,993,683.44

Finding the Fourth Proportional to 13,791,538.72, 19,032,323.28 and 7,993,683.44

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Solution

The fourth proportional to 13,791,538.72, 19,032,323.28 and 7,993,683.44 is: 11,031,283.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,791,538.72 : 19,032,323.28 = 7,993,683.44 : x
  2. Step 2: Convert to fraction form
    13,791,538.72/19,032,323.28 = 7,993,683.44/x
  3. Step 3: Cross multiply
    13,791,538.72x = 19,032,323.28 × 7,993,683.44
  4. Step 4: Simplify right side
    13,791,538.72x = 152,138,367,428,062.50
  5. Step 5: Solve for x
    x = 152,138,367,428,062.50/13,791,538.72
  6. Step 6: Final answer
    x = 11,031,283.06

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1.5x scale

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.