Home / 13,208,498.46-18,228,590.06-7,626,980.57

Finding the Fourth Proportional to 13,208,498.46, 18,228,590.06 and 7,626,980.57

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Solution

The fourth proportional to 13,208,498.46, 18,228,590.06 and 7,626,980.57 is: 10,525,731.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208,498.46 : 18,228,590.06 = 7,626,980.57 : x
  2. Step 2: Convert to fraction form
    13,208,498.46/18,228,590.06 = 7,626,980.57/x
  3. Step 3: Cross multiply
    13,208,498.46x = 18,228,590.06 × 7,626,980.57
  4. Step 4: Simplify right side
    13,208,498.46x = 139,029,102,076,837.28
  5. Step 5: Solve for x
    x = 139,029,102,076,837.28/13,208,498.46
  6. Step 6: Final answer
    x = 10,525,731.03

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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.