Home / 8,912,964.60-13,357,637.10-7,897,321.80

Finding the Fourth Proportional to 8,912,964.60, 13,357,637.10 and 7,897,321.80

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Solution

The fourth proportional to 8,912,964.60, 13,357,637.10 and 7,897,321.80 is: 11,835,518.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,912,964.60 : 13,357,637.10 = 7,897,321.80 : x
  2. Step 2: Convert to fraction form
    8,912,964.60/13,357,637.10 = 7,897,321.80/x
  3. Step 3: Cross multiply
    8,912,964.60x = 13,357,637.10 × 7,897,321.80
  4. Step 4: Simplify right side
    8,912,964.60x = 105,489,558,666,318.78
  5. Step 5: Solve for x
    x = 105,489,558,666,318.78/8,912,964.60
  6. Step 6: Final answer
    x = 11,835,518.64

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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.