Home / 10,872,611.70-16,308,917.55-7,289,430.90

Finding the Fourth Proportional to 10,872,611.70, 16,308,917.55 and 7,289,430.90

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Solution

The fourth proportional to 10,872,611.70, 16,308,917.55 and 7,289,430.90 is: 10,934,146.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872,611.70 : 16,308,917.55 = 7,289,430.90 : x
  2. Step 2: Convert to fraction form
    10,872,611.70/16,308,917.55 = 7,289,430.90/x
  3. Step 3: Cross multiply
    10,872,611.70x = 16,308,917.55 × 7,289,430.90
  4. Step 4: Simplify right side
    10,872,611.70x = 118,882,727,534,522.31
  5. Step 5: Solve for x
    x = 118,882,727,534,522.31/10,872,611.70
  6. Step 6: Final answer
    x = 10,934,146.35

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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.