Home / 12,934,143.70-19,395,877.47-4,415,167.06

Finding the Fourth Proportional to 12,934,143.70, 19,395,877.47 and 4,415,167.06

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Solution

The fourth proportional to 12,934,143.70, 19,395,877.47 and 4,415,167.06 is: 6,620,928.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,934,143.70 : 19,395,877.47 = 4,415,167.06 : x
  2. Step 2: Convert to fraction form
    12,934,143.70/19,395,877.47 = 4,415,167.06/x
  3. Step 3: Cross multiply
    12,934,143.70x = 19,395,877.47 × 4,415,167.06
  4. Step 4: Simplify right side
    12,934,143.70x = 85,636,039,305,340.12
  5. Step 5: Solve for x
    x = 85,636,039,305,340.12/12,934,143.70
  6. Step 6: Final answer
    x = 6,620,928.40

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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.