Home / 40,072,009.80-60,108,014.70-9,779,872.80

Finding the Fourth Proportional to 40,072,009.80, 60,108,014.70 and 9,779,872.80

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Solution

The fourth proportional to 40,072,009.80, 60,108,014.70 and 9,779,872.80 is: 14,669,809.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,072,009.80 : 60,108,014.70 = 9,779,872.80 : x
  2. Step 2: Convert to fraction form
    40,072,009.80/60,108,014.70 = 9,779,872.80/x
  3. Step 3: Cross multiply
    40,072,009.80x = 60,108,014.70 × 9,779,872.80
  4. Step 4: Simplify right side
    40,072,009.80x = 587,848,738,026,530.25
  5. Step 5: Solve for x
    x = 587,848,738,026,530.25/40,072,009.80
  6. Step 6: Final answer
    x = 14,669,809.20

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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.