Home / 9,252,939.88-12,768,640.30-5,122,681.03

Finding the Fourth Proportional to 9,252,939.88, 12,768,640.30 and 5,122,681.03

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Solution

The fourth proportional to 9,252,939.88, 12,768,640.30 and 5,122,681.03 is: 7,069,069.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,252,939.88 : 12,768,640.30 = 5,122,681.03 : x
  2. Step 2: Convert to fraction form
    9,252,939.88/12,768,640.30 = 5,122,681.03/x
  3. Step 3: Cross multiply
    9,252,939.88x = 12,768,640.30 × 5,122,681.03
  4. Step 4: Simplify right side
    9,252,939.88x = 65,409,671,443,703.52
  5. Step 5: Solve for x
    x = 65,409,671,443,703.52/9,252,939.88
  6. Step 6: Final answer
    x = 7,069,069.11

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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.