Home / 13,103,476.36-18,082,814.58-7,302,130.72

Finding the Fourth Proportional to 13,103,476.36, 18,082,814.58 and 7,302,130.72

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Solution

The fourth proportional to 13,103,476.36, 18,082,814.58 and 7,302,130.72 is: 10,076,949.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,103,476.36 : 18,082,814.58 = 7,302,130.72 : x
  2. Step 2: Convert to fraction form
    13,103,476.36/18,082,814.58 = 7,302,130.72/x
  3. Step 3: Cross multiply
    13,103,476.36x = 18,082,814.58 × 7,302,130.72
  4. Step 4: Simplify right side
    13,103,476.36x = 132,043,075,848,681.88
  5. Step 5: Solve for x
    x = 132,043,075,848,681.88/13,103,476.36
  6. Step 6: Final answer
    x = 10,076,949.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.