Home / 8,303,814.40-12,455,721.60-7,464,006.40

Finding the Fourth Proportional to 8,303,814.40, 12,455,721.60 and 7,464,006.40

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Solution

The fourth proportional to 8,303,814.40, 12,455,721.60 and 7,464,006.40 is: 11,196,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303,814.40 : 12,455,721.60 = 7,464,006.40 : x
  2. Step 2: Convert to fraction form
    8,303,814.40/12,455,721.60 = 7,464,006.40/x
  3. Step 3: Cross multiply
    8,303,814.40x = 12,455,721.60 × 7,464,006.40
  4. Step 4: Simplify right side
    8,303,814.40x = 92,969,585,739,018.23
  5. Step 5: Solve for x
    x = 92,969,585,739,018.23/8,303,814.40
  6. Step 6: Final answer
    x = 11,196,009.60

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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.