Home / 19,163,971.80-28,748,582.10-6,383,143.80

Finding the Fourth Proportional to 19,163,971.80, 28,748,582.10 and 6,383,143.80

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Solution

The fourth proportional to 19,163,971.80, 28,748,582.10 and 6,383,143.80 is: 9,575,589.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,163,971.80 : 28,748,582.10 = 6,383,143.80 : x
  2. Step 2: Convert to fraction form
    19,163,971.80/28,748,582.10 = 6,383,143.80/x
  3. Step 3: Cross multiply
    19,163,971.80x = 28,748,582.10 × 6,383,143.80
  4. Step 4: Simplify right side
    19,163,971.80x = 183,506,333,590,405.97
  5. Step 5: Solve for x
    x = 183,506,333,590,405.97/19,163,971.80
  6. Step 6: Final answer
    x = 9,575,589.84

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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.