Home / 20,973,783.40-31,460,675.10-6,601,256.80

Finding the Fourth Proportional to 20,973,783.40, 31,460,675.10 and 6,601,256.80

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Solution

The fourth proportional to 20,973,783.40, 31,460,675.10 and 6,601,256.80 is: 9,901,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,973,783.40 : 31,460,675.10 = 6,601,256.80 : x
  2. Step 2: Convert to fraction form
    20,973,783.40/31,460,675.10 = 6,601,256.80/x
  3. Step 3: Cross multiply
    20,973,783.40x = 31,460,675.10 × 6,601,256.80
  4. Step 4: Simplify right side
    20,973,783.40x = 207,679,995,436,465.69
  5. Step 5: Solve for x
    x = 207,679,995,436,465.69/20,973,783.40
  6. Step 6: Final answer
    x = 9,901,885.20

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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.