Home / 19,316,215.40-28,974,323.10-4,940,408.30

Finding the Fourth Proportional to 19,316,215.40, 28,974,323.10 and 4,940,408.30

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Solution

The fourth proportional to 19,316,215.40, 28,974,323.10 and 4,940,408.30 is: 7,410,612.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,316,215.40 : 28,974,323.10 = 4,940,408.30 : x
  2. Step 2: Convert to fraction form
    19,316,215.40/28,974,323.10 = 4,940,408.30/x
  3. Step 3: Cross multiply
    19,316,215.40x = 28,974,323.10 × 4,940,408.30
  4. Step 4: Simplify right side
    19,316,215.40x = 143,144,986,330,121.72
  5. Step 5: Solve for x
    x = 143,144,986,330,121.72/19,316,215.40
  6. Step 6: Final answer
    x = 7,410,612.45

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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.