Home / 12,076,211.68-18,122,715.72-7,805,788

Finding the Fourth Proportional to 12,076,211.68, 18,122,715.72 and 7,805,788

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Solution

The fourth proportional to 12,076,211.68, 18,122,715.72 and 7,805,788 is: 11,714,110.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,076,211.68 : 18,122,715.72 = 7,805,788 : x
  2. Step 2: Convert to fraction form
    12,076,211.68/18,122,715.72 = 7,805,788/x
  3. Step 3: Cross multiply
    12,076,211.68x = 18,122,715.72 × 7,805,788
  4. Step 4: Simplify right side
    12,076,211.68x = 141,462,076,894,587.34
  5. Step 5: Solve for x
    x = 141,462,076,894,587.34/12,076,211.68
  6. Step 6: Final answer
    x = 11,714,110.41

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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.