Home / 13,123,510.80-19,685,266.20-12,283,702.80

Finding the Fourth Proportional to 13,123,510.80, 19,685,266.20 and 12,283,702.80

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Solution

The fourth proportional to 13,123,510.80, 19,685,266.20 and 12,283,702.80 is: 18,425,554.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,123,510.80 : 19,685,266.20 = 12,283,702.80 : x
  2. Step 2: Convert to fraction form
    13,123,510.80/19,685,266.20 = 12,283,702.80/x
  3. Step 3: Cross multiply
    13,123,510.80x = 19,685,266.20 × 12,283,702.80
  4. Step 4: Simplify right side
    13,123,510.80x = 241,807,959,539,685.38
  5. Step 5: Solve for x
    x = 241,807,959,539,685.38/13,123,510.80
  6. Step 6: Final answer
    x = 18,425,554.20

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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.