Home / 9,767,999.80-14,651,999.70-4,990,425.40

Finding the Fourth Proportional to 9,767,999.80, 14,651,999.70 and 4,990,425.40

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Solution

The fourth proportional to 9,767,999.80, 14,651,999.70 and 4,990,425.40 is: 7,485,638.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,767,999.80 : 14,651,999.70 = 4,990,425.40 : x
  2. Step 2: Convert to fraction form
    9,767,999.80/14,651,999.70 = 4,990,425.40/x
  3. Step 3: Cross multiply
    9,767,999.80x = 14,651,999.70 × 4,990,425.40
  4. Step 4: Simplify right side
    9,767,999.80x = 73,119,711,463,672.38
  5. Step 5: Solve for x
    x = 73,119,711,463,672.38/9,767,999.80
  6. Step 6: Final answer
    x = 7,485,638.10

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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.