Home / 31,347,009.60-47,020,514.40-8,317,899.60

Finding the Fourth Proportional to 31,347,009.60, 47,020,514.40 and 8,317,899.60

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Solution

The fourth proportional to 31,347,009.60, 47,020,514.40 and 8,317,899.60 is: 12,476,849.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,347,009.60 : 47,020,514.40 = 8,317,899.60 : x
  2. Step 2: Convert to fraction form
    31,347,009.60/47,020,514.40 = 8,317,899.60/x
  3. Step 3: Cross multiply
    31,347,009.60x = 47,020,514.40 × 8,317,899.60
  4. Step 4: Simplify right side
    31,347,009.60x = 391,111,917,919,554.19
  5. Step 5: Solve for x
    x = 391,111,917,919,554.19/31,347,009.60
  6. Step 6: Final answer
    x = 12,476,849.40

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1.5x scale

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.