Home / 10,865,066.40-16,297,599.60-9,111,311.10

Finding the Fourth Proportional to 10,865,066.40, 16,297,599.60 and 9,111,311.10

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Solution

The fourth proportional to 10,865,066.40, 16,297,599.60 and 9,111,311.10 is: 13,666,966.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,066.40 : 16,297,599.60 = 9,111,311.10 : x
  2. Step 2: Convert to fraction form
    10,865,066.40/16,297,599.60 = 9,111,311.10/x
  3. Step 3: Cross multiply
    10,865,066.40x = 16,297,599.60 × 9,111,311.10
  4. Step 4: Simplify right side
    10,865,066.40x = 148,492,500,138,835.56
  5. Step 5: Solve for x
    x = 148,492,500,138,835.56/10,865,066.40
  6. Step 6: Final answer
    x = 13,666,966.65

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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.