Home / 7,002,798.12-9,663,668.91-3,905,415.63

Finding the Fourth Proportional to 7,002,798.12, 9,663,668.91 and 3,905,415.63

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Solution

The fourth proportional to 7,002,798.12, 9,663,668.91 and 3,905,415.63 is: 5,389,366.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,002,798.12 : 9,663,668.91 = 3,905,415.63 : x
  2. Step 2: Convert to fraction form
    7,002,798.12/9,663,668.91 = 3,905,415.63/x
  3. Step 3: Cross multiply
    7,002,798.12x = 9,663,668.91 × 3,905,415.63
  4. Step 4: Simplify right side
    7,002,798.12x = 37,740,643,604,259.06
  5. Step 5: Solve for x
    x = 37,740,643,604,259.06/7,002,798.12
  6. Step 6: Final answer
    x = 5,389,366.22

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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.