Home / 21,020,607.05-29,008,397.67-11,727,624.21

Finding the Fourth Proportional to 21,020,607.05, 29,008,397.67 and 11,727,624.21

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Solution

The fourth proportional to 21,020,607.05, 29,008,397.67 and 11,727,624.21 is: 16,184,099.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,020,607.05 : 29,008,397.67 = 11,727,624.21 : x
  2. Step 2: Convert to fraction form
    21,020,607.05/29,008,397.67 = 11,727,624.21/x
  3. Step 3: Cross multiply
    21,020,607.05x = 29,008,397.67 × 11,727,624.21
  4. Step 4: Simplify right side
    21,020,607.05x = 340,199,586,807,999.62
  5. Step 5: Solve for x
    x = 340,199,586,807,999.62/21,020,607.05
  6. Step 6: Final answer
    x = 16,184,099.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.