Home / 13,107,430.80-19,661,146.20-4,588,628.40

Finding the Fourth Proportional to 13,107,430.80, 19,661,146.20 and 4,588,628.40

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Solution

The fourth proportional to 13,107,430.80, 19,661,146.20 and 4,588,628.40 is: 6,882,942.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,107,430.80 : 19,661,146.20 = 4,588,628.40 : x
  2. Step 2: Convert to fraction form
    13,107,430.80/19,661,146.20 = 4,588,628.40/x
  3. Step 3: Cross multiply
    13,107,430.80x = 19,661,146.20 × 4,588,628.40
  4. Step 4: Simplify right side
    13,107,430.80x = 90,217,693,829,872.08
  5. Step 5: Solve for x
    x = 90,217,693,829,872.08/13,107,430.80
  6. Step 6: Final answer
    x = 6,882,942.60

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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.