Home / 8,634,838.40-12,953,812.80-3,586,659.20

Finding the Fourth Proportional to 8,634,838.40, 12,953,812.80 and 3,586,659.20

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Solution

The fourth proportional to 8,634,838.40, 12,953,812.80 and 3,586,659.20 is: 5,380,634.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634,838.40 : 12,953,812.80 = 3,586,659.20 : x
  2. Step 2: Convert to fraction form
    8,634,838.40/12,953,812.80 = 3,586,659.20/x
  3. Step 3: Cross multiply
    8,634,838.40x = 12,953,812.80 × 3,586,659.20
  4. Step 4: Simplify right side
    8,634,838.40x = 46,460,911,854,197.77
  5. Step 5: Solve for x
    x = 46,460,911,854,197.77/8,634,838.40
  6. Step 6: Final answer
    x = 5,380,634.78

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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.