Home / 15,771,018.20-23,623,349.70-13,116,810.20

Finding the Fourth Proportional to 15,771,018.20, 23,623,349.70 and 13,116,810.20

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Solution

The fourth proportional to 15,771,018.20, 23,623,349.70 and 13,116,810.20 is: 19,647,621.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,771,018.20 : 23,623,349.70 = 13,116,810.20 : x
  2. Step 2: Convert to fraction form
    15,771,018.20/23,623,349.70 = 13,116,810.20/x
  3. Step 3: Cross multiply
    15,771,018.20x = 23,623,349.70 × 13,116,810.20
  4. Step 4: Simplify right side
    15,771,018.20x = 309,862,994,303,126.94
  5. Step 5: Solve for x
    x = 309,862,994,303,126.94/15,771,018.20
  6. Step 6: Final answer
    x = 19,647,621.38

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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.