Home / 30,444,641.28-45,674,576.64-21,486,689.28

Finding the Fourth Proportional to 30,444,641.28, 45,674,576.64 and 21,486,689.28

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Solution

The fourth proportional to 30,444,641.28, 45,674,576.64 and 21,486,689.28 is: 32,235,408.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,444,641.28 : 45,674,576.64 = 21,486,689.28 : x
  2. Step 2: Convert to fraction form
    30,444,641.28/45,674,576.64 = 21,486,689.28/x
  3. Step 3: Cross multiply
    30,444,641.28x = 45,674,576.64 × 21,486,689.28
  4. Step 4: Simplify right side
    30,444,641.28x = 981,395,436,259,226.50
  5. Step 5: Solve for x
    x = 981,395,436,259,226.50/30,444,641.28
  6. Step 6: Final answer
    x = 32,235,408.10

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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.