Home / 13,112,999.70-19,669,499.55-13,029,018.90

Finding the Fourth Proportional to 13,112,999.70, 19,669,499.55 and 13,029,018.90

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Solution

The fourth proportional to 13,112,999.70, 19,669,499.55 and 13,029,018.90 is: 19,543,528.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,112,999.70 : 19,669,499.55 = 13,029,018.90 : x
  2. Step 2: Convert to fraction form
    13,112,999.70/19,669,499.55 = 13,029,018.90/x
  3. Step 3: Cross multiply
    13,112,999.70x = 19,669,499.55 × 13,029,018.90
  4. Step 4: Simplify right side
    13,112,999.70x = 256,274,281,390,491.50
  5. Step 5: Solve for x
    x = 256,274,281,390,491.50/13,112,999.70
  6. Step 6: Final answer
    x = 19,543,528.35

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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.