Home / 7,776,000.90-11,664,001.35-6,957,188.10

Finding the Fourth Proportional to 7,776,000.90, 11,664,001.35 and 6,957,188.10

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Solution

The fourth proportional to 7,776,000.90, 11,664,001.35 and 6,957,188.10 is: 10,435,782.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,000.90 : 11,664,001.35 = 6,957,188.10 : x
  2. Step 2: Convert to fraction form
    7,776,000.90/11,664,001.35 = 6,957,188.10/x
  3. Step 3: Cross multiply
    7,776,000.90x = 11,664,001.35 × 6,957,188.10
  4. Step 4: Simplify right side
    7,776,000.90x = 81,148,651,390,603.92
  5. Step 5: Solve for x
    x = 81,148,651,390,603.92/7,776,000.90
  6. Step 6: Final answer
    x = 10,435,782.15

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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.