Home / 12,906,603.93-17,812,154.52-7,400,491.05

Finding the Fourth Proportional to 12,906,603.93, 17,812,154.52 and 7,400,491.05

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Solution

The fourth proportional to 12,906,603.93, 17,812,154.52 and 7,400,491.05 is: 10,213,274.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,906,603.93 : 17,812,154.52 = 7,400,491.05 : x
  2. Step 2: Convert to fraction form
    12,906,603.93/17,812,154.52 = 7,400,491.05/x
  3. Step 3: Cross multiply
    12,906,603.93x = 17,812,154.52 × 7,400,491.05
  4. Step 4: Simplify right side
    12,906,603.93x = 131,818,690,106,477.05
  5. Step 5: Solve for x
    x = 131,818,690,106,477.05/12,906,603.93
  6. Step 6: Final answer
    x = 10,213,274.60

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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.