Home / 7,982,402.40-11,973,603.60-7,366,543.20

Finding the Fourth Proportional to 7,982,402.40, 11,973,603.60 and 7,366,543.20

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Solution

The fourth proportional to 7,982,402.40, 11,973,603.60 and 7,366,543.20 is: 11,049,814.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982,402.40 : 11,973,603.60 = 7,366,543.20 : x
  2. Step 2: Convert to fraction form
    7,982,402.40/11,973,603.60 = 7,366,543.20/x
  3. Step 3: Cross multiply
    7,982,402.40x = 11,973,603.60 × 7,366,543.20
  4. Step 4: Simplify right side
    7,982,402.40x = 88,204,068,179,075.52
  5. Step 5: Solve for x
    x = 88,204,068,179,075.52/7,982,402.40
  6. Step 6: Final answer
    x = 11,049,814.80

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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.