Home / 19,020,129.28-26,247,765-10,318,303.56

Finding the Fourth Proportional to 19,020,129.28, 26,247,765 and 10,318,303.56

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Solution

The fourth proportional to 19,020,129.28, 26,247,765 and 10,318,303.56 is: 14,239,251.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,020,129.28 : 26,247,765 = 10,318,303.56 : x
  2. Step 2: Convert to fraction form
    19,020,129.28/26,247,765 = 10,318,303.56/x
  3. Step 3: Cross multiply
    19,020,129.28x = 26,247,765 × 10,318,303.56
  4. Step 4: Simplify right side
    19,020,129.28x = 270,832,407,041,543.41
  5. Step 5: Solve for x
    x = 270,832,407,041,543.41/19,020,129.28
  6. Step 6: Final answer
    x = 14,239,251.64

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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.