Home / 21,144,114.72-31,718,474.64-6,763,802.40

Finding the Fourth Proportional to 21,144,114.72, 31,718,474.64 and 6,763,802.40

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Solution

The fourth proportional to 21,144,114.72, 31,718,474.64 and 6,763,802.40 is: 10,146,440.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,144,114.72 : 31,718,474.64 = 6,763,802.40 : x
  2. Step 2: Convert to fraction form
    21,144,114.72/31,718,474.64 = 6,763,802.40/x
  3. Step 3: Cross multiply
    21,144,114.72x = 31,718,474.64 × 6,763,802.40
  4. Step 4: Simplify right side
    21,144,114.72x = 214,537,494,894,371.16
  5. Step 5: Solve for x
    x = 214,537,494,894,371.16/21,144,114.72
  6. Step 6: Final answer
    x = 10,146,440.17

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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.