Home / 18,829,999.70-28,247,623.95-8,047,214.90

Finding the Fourth Proportional to 18,829,999.70, 28,247,623.95 and 8,047,214.90

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Solution

The fourth proportional to 18,829,999.70, 28,247,623.95 and 8,047,214.90 is: 12,071,943.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,829,999.70 : 28,247,623.95 = 8,047,214.90 : x
  2. Step 2: Convert to fraction form
    18,829,999.70/28,247,623.95 = 8,047,214.90/x
  3. Step 3: Cross multiply
    18,829,999.70x = 28,247,623.95 × 8,047,214.90
  4. Step 4: Simplify right side
    18,829,999.70x = 227,314,700,340,036.88
  5. Step 5: Solve for x
    x = 227,314,700,340,036.88/18,829,999.70
  6. Step 6: Final answer
    x = 12,071,943.92

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1.5x scale

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.