Home / 12,857,543.47-19,286,423.34-3,272,923.63

Finding the Fourth Proportional to 12,857,543.47, 19,286,423.34 and 3,272,923.63

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Solution

The fourth proportional to 12,857,543.47, 19,286,423.34 and 3,272,923.63 is: 4,909,412.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,857,543.47 : 19,286,423.34 = 3,272,923.63 : x
  2. Step 2: Convert to fraction form
    12,857,543.47/19,286,423.34 = 3,272,923.63/x
  3. Step 3: Cross multiply
    12,857,543.47x = 19,286,423.34 × 3,272,923.63
  4. Step 4: Simplify right side
    12,857,543.47x = 63,122,990,574,872.79
  5. Step 5: Solve for x
    x = 63,122,990,574,872.79/12,857,543.47
  6. Step 6: Final answer
    x = 4,909,412.96

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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.