Home / 12,266,384.40-18,399,576.60-7,483,415.40

Finding the Fourth Proportional to 12,266,384.40, 18,399,576.60 and 7,483,415.40

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Solution

The fourth proportional to 12,266,384.40, 18,399,576.60 and 7,483,415.40 is: 11,225,123.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,266,384.40 : 18,399,576.60 = 7,483,415.40 : x
  2. Step 2: Convert to fraction form
    12,266,384.40/18,399,576.60 = 7,483,415.40/x
  3. Step 3: Cross multiply
    12,266,384.40x = 18,399,576.60 × 7,483,415.40
  4. Step 4: Simplify right side
    12,266,384.40x = 137,691,674,881,919.66
  5. Step 5: Solve for x
    x = 137,691,674,881,919.66/12,266,384.40
  6. Step 6: Final answer
    x = 11,225,123.10

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1.5x scale

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.