Home / 30,908,553.94-42,651,670.80-17,156,435.50

Finding the Fourth Proportional to 30,908,553.94, 42,651,670.80 and 17,156,435.50

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Solution

The fourth proportional to 30,908,553.94, 42,651,670.80 and 17,156,435.50 is: 23,674,696.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,908,553.94 : 42,651,670.80 = 17,156,435.50 : x
  2. Step 2: Convert to fraction form
    30,908,553.94/42,651,670.80 = 17,156,435.50/x
  3. Step 3: Cross multiply
    30,908,553.94x = 42,651,670.80 × 17,156,435.50
  4. Step 4: Simplify right side
    30,908,553.94x = 731,750,639,047,433.38
  5. Step 5: Solve for x
    x = 731,750,639,047,433.38/30,908,553.94
  6. Step 6: Final answer
    x = 23,674,696.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.