Home / 31,389,126.40-47,085,244.80-16,272,582.40

Finding the Fourth Proportional to 31,389,126.40, 47,085,244.80 and 16,272,582.40

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Solution

The fourth proportional to 31,389,126.40, 47,085,244.80 and 16,272,582.40 is: 24,409,679.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,389,126.40 : 47,085,244.80 = 16,272,582.40 : x
  2. Step 2: Convert to fraction form
    31,389,126.40/47,085,244.80 = 16,272,582.40/x
  3. Step 3: Cross multiply
    31,389,126.40x = 47,085,244.80 × 16,272,582.40
  4. Step 4: Simplify right side
    31,389,126.40x = 766,198,525,832,171.50
  5. Step 5: Solve for x
    x = 766,198,525,832,171.50/31,389,126.40
  6. Step 6: Final answer
    x = 24,409,679.84

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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.