Home / 12,120,535.71-18,183,690.41-4,547,567.07

Finding the Fourth Proportional to 12,120,535.71, 18,183,690.41 and 4,547,567.07

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Solution

The fourth proportional to 12,120,535.71, 18,183,690.41 and 4,547,567.07 is: 6,822,433.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,120,535.71 : 18,183,690.41 = 4,547,567.07 : x
  2. Step 2: Convert to fraction form
    12,120,535.71/18,183,690.41 = 4,547,567.07/x
  3. Step 3: Cross multiply
    12,120,535.71x = 18,183,690.41 × 4,547,567.07
  4. Step 4: Simplify right side
    12,120,535.71x = 82,691,551,696,852.97
  5. Step 5: Solve for x
    x = 82,691,551,696,852.97/12,120,535.71
  6. Step 6: Final answer
    x = 6,822,433.73

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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.