Home / 12,307,584.30-18,461,376.45-12,139,622.70

Finding the Fourth Proportional to 12,307,584.30, 18,461,376.45 and 12,139,622.70

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Solution

The fourth proportional to 12,307,584.30, 18,461,376.45 and 12,139,622.70 is: 18,209,434.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,307,584.30 : 18,461,376.45 = 12,139,622.70 : x
  2. Step 2: Convert to fraction form
    12,307,584.30/18,461,376.45 = 12,139,622.70/x
  3. Step 3: Cross multiply
    12,307,584.30x = 18,461,376.45 × 12,139,622.70
  4. Step 4: Simplify right side
    12,307,584.30x = 224,114,144,625,665.41
  5. Step 5: Solve for x
    x = 224,114,144,625,665.41/12,307,584.30
  6. Step 6: Final answer
    x = 18,209,434.05

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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.