Home / 10,207,938.10-15,311,907.15-3,018,912.50

Finding the Fourth Proportional to 10,207,938.10, 15,311,907.15 and 3,018,912.50

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Solution

The fourth proportional to 10,207,938.10, 15,311,907.15 and 3,018,912.50 is: 4,528,368.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207,938.10 : 15,311,907.15 = 3,018,912.50 : x
  2. Step 2: Convert to fraction form
    10,207,938.10/15,311,907.15 = 3,018,912.50/x
  3. Step 3: Cross multiply
    10,207,938.10x = 15,311,907.15 × 3,018,912.50
  4. Step 4: Simplify right side
    10,207,938.10x = 46,225,307,893,974.38
  5. Step 5: Solve for x
    x = 46,225,307,893,974.38/10,207,938.10
  6. Step 6: Final answer
    x = 4,528,368.75

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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.