Home / 28,201,805.40-42,302,708.10-8,007,047.40

Finding the Fourth Proportional to 28,201,805.40, 42,302,708.10 and 8,007,047.40

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Solution

The fourth proportional to 28,201,805.40, 42,302,708.10 and 8,007,047.40 is: 12,010,571.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,201,805.40 : 42,302,708.10 = 8,007,047.40 : x
  2. Step 2: Convert to fraction form
    28,201,805.40/42,302,708.10 = 8,007,047.40/x
  3. Step 3: Cross multiply
    28,201,805.40x = 42,302,708.10 × 8,007,047.40
  4. Step 4: Simplify right side
    28,201,805.40x = 338,719,788,905,063.94
  5. Step 5: Solve for x
    x = 338,719,788,905,063.94/28,201,805.40
  6. Step 6: Final answer
    x = 12,010,571.10

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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.