Home / 13,142,428.20-19,715,510.70-4,045,284.54

Finding the Fourth Proportional to 13,142,428.20, 19,715,510.70 and 4,045,284.54

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Solution

The fourth proportional to 13,142,428.20, 19,715,510.70 and 4,045,284.54 is: 6,068,501.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,142,428.20 : 19,715,510.70 = 4,045,284.54 : x
  2. Step 2: Convert to fraction form
    13,142,428.20/19,715,510.70 = 4,045,284.54/x
  3. Step 3: Cross multiply
    13,142,428.20x = 19,715,510.70 × 4,045,284.54
  4. Step 4: Simplify right side
    13,142,428.20x = 79,754,850,632,914.58
  5. Step 5: Solve for x
    x = 79,754,850,632,914.58/13,142,428.20
  6. Step 6: Final answer
    x = 6,068,501.91

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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.