Home / 15,218,450.96-21,001,732.92-8,249,356.76

Finding the Fourth Proportional to 15,218,450.96, 21,001,732.92 and 8,249,356.76

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Solution

The fourth proportional to 15,218,450.96, 21,001,732.92 and 8,249,356.76 is: 11,384,259.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,218,450.96 : 21,001,732.92 = 8,249,356.76 : x
  2. Step 2: Convert to fraction form
    15,218,450.96/21,001,732.92 = 8,249,356.76/x
  3. Step 3: Cross multiply
    15,218,450.96x = 21,001,732.92 × 8,249,356.76
  4. Step 4: Simplify right side
    15,218,450.96x = 173,250,787,435,316.56
  5. Step 5: Solve for x
    x = 173,250,787,435,316.56/15,218,450.96
  6. Step 6: Final answer
    x = 11,384,259.01

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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.