Home / 8,274,075.40-12,411,113.10-7,179,214.60

Finding the Fourth Proportional to 8,274,075.40, 12,411,113.10 and 7,179,214.60

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Solution

The fourth proportional to 8,274,075.40, 12,411,113.10 and 7,179,214.60 is: 10,768,821.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,274,075.40 : 12,411,113.10 = 7,179,214.60 : x
  2. Step 2: Convert to fraction form
    8,274,075.40/12,411,113.10 = 7,179,214.60/x
  3. Step 3: Cross multiply
    8,274,075.40x = 12,411,113.10 × 7,179,214.60
  4. Step 4: Simplify right side
    8,274,075.40x = 89,102,044,369,771.25
  5. Step 5: Solve for x
    x = 89,102,044,369,771.25/8,274,075.40
  6. Step 6: Final answer
    x = 10,768,821.90

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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.