Home / 12,547,511.10-18,821,266.65-4,028,708.70

Finding the Fourth Proportional to 12,547,511.10, 18,821,266.65 and 4,028,708.70

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Solution

The fourth proportional to 12,547,511.10, 18,821,266.65 and 4,028,708.70 is: 6,043,063.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547,511.10 : 18,821,266.65 = 4,028,708.70 : x
  2. Step 2: Convert to fraction form
    12,547,511.10/18,821,266.65 = 4,028,708.70/x
  3. Step 3: Cross multiply
    12,547,511.10x = 18,821,266.65 × 4,028,708.70
  4. Step 4: Simplify right side
    12,547,511.10x = 75,825,400,697,874.86
  5. Step 5: Solve for x
    x = 75,825,400,697,874.86/12,547,511.10
  6. Step 6: Final answer
    x = 6,043,063.05

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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.