Home / 8,702,148.40-12,008,260.73-5,031,300.49

Finding the Fourth Proportional to 8,702,148.40, 12,008,260.73 and 5,031,300.49

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Solution

The fourth proportional to 8,702,148.40, 12,008,260.73 and 5,031,300.49 is: 6,942,787.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,702,148.40 : 12,008,260.73 = 5,031,300.49 : x
  2. Step 2: Convert to fraction form
    8,702,148.40/12,008,260.73 = 5,031,300.49/x
  3. Step 3: Cross multiply
    8,702,148.40x = 12,008,260.73 × 5,031,300.49
  4. Step 4: Simplify right side
    8,702,148.40x = 60,417,168,077,454.35
  5. Step 5: Solve for x
    x = 60,417,168,077,454.35/8,702,148.40
  6. Step 6: Final answer
    x = 6,942,787.61

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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.