Home / 31,789,054.80-47,683,582.20-7,854,526.80

Finding the Fourth Proportional to 31,789,054.80, 47,683,582.20 and 7,854,526.80

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Solution

The fourth proportional to 31,789,054.80, 47,683,582.20 and 7,854,526.80 is: 11,781,790.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,789,054.80 : 47,683,582.20 = 7,854,526.80 : x
  2. Step 2: Convert to fraction form
    31,789,054.80/47,683,582.20 = 7,854,526.80/x
  3. Step 3: Cross multiply
    31,789,054.80x = 47,683,582.20 × 7,854,526.80
  4. Step 4: Simplify right side
    31,789,054.80x = 374,531,974,309,903
  5. Step 5: Solve for x
    x = 374,531,974,309,903/31,789,054.80
  6. Step 6: Final answer
    x = 11,781,790.20

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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.