Home / 14,166,987.04-19,548,934.68-7,971,925.78

Finding the Fourth Proportional to 14,166,987.04, 19,548,934.68 and 7,971,925.78

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Solution

The fourth proportional to 14,166,987.04, 19,548,934.68 and 7,971,925.78 is: 11,000,409.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,166,987.04 : 19,548,934.68 = 7,971,925.78 : x
  2. Step 2: Convert to fraction form
    14,166,987.04/19,548,934.68 = 7,971,925.78/x
  3. Step 3: Cross multiply
    14,166,987.04x = 19,548,934.68 × 7,971,925.78
  4. Step 4: Simplify right side
    14,166,987.04x = 155,842,656,347,028.06
  5. Step 5: Solve for x
    x = 155,842,656,347,028.06/14,166,987.04
  6. Step 6: Final answer
    x = 11,000,409.33

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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.