Home / 8,411,106.98-12,609,382.70-7,140,018.98

Finding the Fourth Proportional to 8,411,106.98, 12,609,382.70 and 7,140,018.98

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Solution

The fourth proportional to 8,411,106.98, 12,609,382.70 and 7,140,018.98 is: 10,703,850.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,411,106.98 : 12,609,382.70 = 7,140,018.98 : x
  2. Step 2: Convert to fraction form
    8,411,106.98/12,609,382.70 = 7,140,018.98/x
  3. Step 3: Cross multiply
    8,411,106.98x = 12,609,382.70 × 7,140,018.98
  4. Step 4: Simplify right side
    8,411,106.98x = 90,031,231,804,083.64
  5. Step 5: Solve for x
    x = 90,031,231,804,083.64/8,411,106.98
  6. Step 6: Final answer
    x = 10,703,850.52

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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.