Home / 14,000,999.70-21,001,499.55-11,609,515.20

Finding the Fourth Proportional to 14,000,999.70, 21,001,499.55 and 11,609,515.20

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Solution

The fourth proportional to 14,000,999.70, 21,001,499.55 and 11,609,515.20 is: 17,414,272.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000,999.70 : 21,001,499.55 = 11,609,515.20 : x
  2. Step 2: Convert to fraction form
    14,000,999.70/21,001,499.55 = 11,609,515.20/x
  3. Step 3: Cross multiply
    14,000,999.70x = 21,001,499.55 × 11,609,515.20
  4. Step 4: Simplify right side
    14,000,999.70x = 243,817,228,248,518.16
  5. Step 5: Solve for x
    x = 243,817,228,248,518.16/14,000,999.70
  6. Step 6: Final answer
    x = 17,414,272.80

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Similar ratio
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1.5x scale

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.