Home / 7,769,103.90-10,717,962.16-7,408,905.00

Finding the Fourth Proportional to 7,769,103.90, 10,717,962.16 and 7,408,905.00

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Solution

The fourth proportional to 7,769,103.90, 10,717,962.16 and 7,408,905.00 is: 10,221,045.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769,103.90 : 10,717,962.16 = 7,408,905.00 : x
  2. Step 2: Convert to fraction form
    7,769,103.90/10,717,962.16 = 7,408,905.00/x
  3. Step 3: Cross multiply
    7,769,103.90x = 10,717,962.16 × 7,408,905.00
  4. Step 4: Simplify right side
    7,769,103.90x = 79,408,363,452,500.42
  5. Step 5: Solve for x
    x = 79,408,363,452,500.42/7,769,103.90
  6. Step 6: Final answer
    x = 10,221,045.37

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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.