Home / 7,340,874.40-11,011,311.60-7,214,903.20

Finding the Fourth Proportional to 7,340,874.40, 11,011,311.60 and 7,214,903.20

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Solution

The fourth proportional to 7,340,874.40, 11,011,311.60 and 7,214,903.20 is: 10,822,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340,874.40 : 11,011,311.60 = 7,214,903.20 : x
  2. Step 2: Convert to fraction form
    7,340,874.40/11,011,311.60 = 7,214,903.20/x
  3. Step 3: Cross multiply
    7,340,874.40x = 11,011,311.60 × 7,214,903.20
  4. Step 4: Simplify right side
    7,340,874.40x = 79,445,547,299,037.12
  5. Step 5: Solve for x
    x = 79,445,547,299,037.12/7,340,874.40
  6. Step 6: Final answer
    x = 10,822,354.80

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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.