Home / 12,921,448.14-17,831,600.01-7,492,089.42

Finding the Fourth Proportional to 12,921,448.14, 17,831,600.01 and 7,492,089.42

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Solution

The fourth proportional to 12,921,448.14, 17,831,600.01 and 7,492,089.42 is: 10,339,084.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,921,448.14 : 17,831,600.01 = 7,492,089.42 : x
  2. Step 2: Convert to fraction form
    12,921,448.14/17,831,600.01 = 7,492,089.42/x
  3. Step 3: Cross multiply
    12,921,448.14x = 17,831,600.01 × 7,492,089.42
  4. Step 4: Simplify right side
    12,921,448.14x = 133,595,941,776,592.91
  5. Step 5: Solve for x
    x = 133,595,941,776,592.91/12,921,448.14
  6. Step 6: Final answer
    x = 10,339,084.31

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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.