Home / 12,789,036.10-19,183,554.15-9,933,688.90

Finding the Fourth Proportional to 12,789,036.10, 19,183,554.15 and 9,933,688.90

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Solution

The fourth proportional to 12,789,036.10, 19,183,554.15 and 9,933,688.90 is: 14,900,533.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,789,036.10 : 19,183,554.15 = 9,933,688.90 : x
  2. Step 2: Convert to fraction form
    12,789,036.10/19,183,554.15 = 9,933,688.90/x
  3. Step 3: Cross multiply
    12,789,036.10x = 19,183,554.15 × 9,933,688.90
  4. Step 4: Simplify right side
    12,789,036.10x = 190,563,458,922,403.94
  5. Step 5: Solve for x
    x = 190,563,458,922,403.94/12,789,036.10
  6. Step 6: Final answer
    x = 14,900,533.35

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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.