Home / 31,818,967.61-47,708,918.37-12,365,479.35

Finding the Fourth Proportional to 31,818,967.61, 47,708,918.37 and 12,365,479.35

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Solution

The fourth proportional to 31,818,967.61, 47,708,918.37 and 12,365,479.35 is: 18,540,628.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,818,967.61 : 47,708,918.37 = 12,365,479.35 : x
  2. Step 2: Convert to fraction form
    31,818,967.61/47,708,918.37 = 12,365,479.35/x
  3. Step 3: Cross multiply
    31,818,967.61x = 47,708,918.37 × 12,365,479.35
  4. Step 4: Simplify right side
    31,818,967.61x = 589,943,644,915,070.62
  5. Step 5: Solve for x
    x = 589,943,644,915,070.62/31,818,967.61
  6. Step 6: Final answer
    x = 18,540,628.10

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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.