Home / 8,678,259.51-13,017,804.44-7,159,125.57

Finding the Fourth Proportional to 8,678,259.51, 13,017,804.44 and 7,159,125.57

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Solution

The fourth proportional to 8,678,259.51, 13,017,804.44 and 7,159,125.57 is: 10,739,030.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,678,259.51 : 13,017,804.44 = 7,159,125.57 : x
  2. Step 2: Convert to fraction form
    8,678,259.51/13,017,804.44 = 7,159,125.57/x
  3. Step 3: Cross multiply
    8,678,259.51x = 13,017,804.44 × 7,159,125.57
  4. Step 4: Simplify right side
    8,678,259.51x = 93,196,096,595,867.91
  5. Step 5: Solve for x
    x = 93,196,096,595,867.91/8,678,259.51
  6. Step 6: Final answer
    x = 10,739,030.85

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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.