Home / 14,511,492.78-21,767,239.02-5,290,156.80

Finding the Fourth Proportional to 14,511,492.78, 21,767,239.02 and 5,290,156.80

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Solution

The fourth proportional to 14,511,492.78, 21,767,239.02 and 5,290,156.80 is: 7,935,235.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,511,492.78 : 21,767,239.02 = 5,290,156.80 : x
  2. Step 2: Convert to fraction form
    14,511,492.78/21,767,239.02 = 5,290,156.80/x
  3. Step 3: Cross multiply
    14,511,492.78x = 21,767,239.02 × 5,290,156.80
  4. Step 4: Simplify right side
    14,511,492.78x = 115,152,107,518,878.33
  5. Step 5: Solve for x
    x = 115,152,107,518,878.33/14,511,492.78
  6. Step 6: Final answer
    x = 7,935,235.15

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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.