Home / 31,504,036.40-47,256,054.60-8,784,897.20

Finding the Fourth Proportional to 31,504,036.40, 47,256,054.60 and 8,784,897.20

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Solution

The fourth proportional to 31,504,036.40, 47,256,054.60 and 8,784,897.20 is: 13,177,345.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,504,036.40 : 47,256,054.60 = 8,784,897.20 : x
  2. Step 2: Convert to fraction form
    31,504,036.40/47,256,054.60 = 8,784,897.20/x
  3. Step 3: Cross multiply
    31,504,036.40x = 47,256,054.60 × 8,784,897.20
  4. Step 4: Simplify right side
    31,504,036.40x = 415,139,581,738,587.12
  5. Step 5: Solve for x
    x = 415,139,581,738,587.12/31,504,036.40
  6. Step 6: Final answer
    x = 13,177,345.80

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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.