Home / 7,778,325.90-11,663,989.65-2,984,421.90

Finding the Fourth Proportional to 7,778,325.90, 11,663,989.65 and 2,984,421.90

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Solution

The fourth proportional to 7,778,325.90, 11,663,989.65 and 2,984,421.90 is: 4,475,290.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778,325.90 : 11,663,989.65 = 2,984,421.90 : x
  2. Step 2: Convert to fraction form
    7,778,325.90/11,663,989.65 = 2,984,421.90/x
  3. Step 3: Cross multiply
    7,778,325.90x = 11,663,989.65 × 2,984,421.90
  4. Step 4: Simplify right side
    7,778,325.90x = 34,810,266,152,833.34
  5. Step 5: Solve for x
    x = 34,810,266,152,833.34/7,778,325.90
  6. Step 6: Final answer
    x = 4,475,290.26

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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.