Home / 9,979,604.69-13,771,288.98-5,628,430.89

Finding the Fourth Proportional to 9,979,604.69, 13,771,288.98 and 5,628,430.89

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Solution

The fourth proportional to 9,979,604.69, 13,771,288.98 and 5,628,430.89 is: 7,766,915.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,979,604.69 : 13,771,288.98 = 5,628,430.89 : x
  2. Step 2: Convert to fraction form
    9,979,604.69/13,771,288.98 = 5,628,430.89/x
  3. Step 3: Cross multiply
    9,979,604.69x = 13,771,288.98 × 5,628,430.89
  4. Step 4: Simplify right side
    9,979,604.69x = 77,510,748,290,148.59
  5. Step 5: Solve for x
    x = 77,510,748,290,148.59/9,979,604.69
  6. Step 6: Final answer
    x = 7,766,915.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.