Home / 8,630,855.12-12,880,655.38-7,674,286.16

Finding the Fourth Proportional to 8,630,855.12, 12,880,655.38 and 7,674,286.16

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Solution

The fourth proportional to 8,630,855.12, 12,880,655.38 and 7,674,286.16 is: 11,453,075.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,630,855.12 : 12,880,655.38 = 7,674,286.16 : x
  2. Step 2: Convert to fraction form
    8,630,855.12/12,880,655.38 = 7,674,286.16/x
  3. Step 3: Cross multiply
    8,630,855.12x = 12,880,655.38 × 7,674,286.16
  4. Step 4: Simplify right side
    8,630,855.12x = 98,849,835,314,463.55
  5. Step 5: Solve for x
    x = 98,849,835,314,463.55/8,630,855.12
  6. Step 6: Final answer
    x = 11,453,075.50

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.