Home / 8,303,810.60-12,455,715.90-7,772,369.60

Finding the Fourth Proportional to 8,303,810.60, 12,455,715.90 and 7,772,369.60

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Solution

The fourth proportional to 8,303,810.60, 12,455,715.90 and 7,772,369.60 is: 11,658,554.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303,810.60 : 12,455,715.90 = 7,772,369.60 : x
  2. Step 2: Convert to fraction form
    8,303,810.60/12,455,715.90 = 7,772,369.60/x
  3. Step 3: Cross multiply
    8,303,810.60x = 12,455,715.90 × 7,772,369.60
  4. Step 4: Simplify right side
    8,303,810.60x = 96,810,427,607,396.64
  5. Step 5: Solve for x
    x = 96,810,427,607,396.64/8,303,810.60
  6. Step 6: Final answer
    x = 11,658,554.40

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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.