Home / 7,854,456.60-11,781,684.90-4,075,320.60

Finding the Fourth Proportional to 7,854,456.60, 11,781,684.90 and 4,075,320.60

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Solution

The fourth proportional to 7,854,456.60, 11,781,684.90 and 4,075,320.60 is: 6,112,980.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,854,456.60 : 11,781,684.90 = 4,075,320.60 : x
  2. Step 2: Convert to fraction form
    7,854,456.60/11,781,684.90 = 4,075,320.60/x
  3. Step 3: Cross multiply
    7,854,456.60x = 11,781,684.90 × 4,075,320.60
  4. Step 4: Simplify right side
    7,854,456.60x = 48,014,143,175,678.95
  5. Step 5: Solve for x
    x = 48,014,143,175,678.95/7,854,456.60
  6. Step 6: Final answer
    x = 6,112,980.90

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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.