Home / 21,667,339.60-32,501,009.40-8,897,009.20

Finding the Fourth Proportional to 21,667,339.60, 32,501,009.40 and 8,897,009.20

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Solution

The fourth proportional to 21,667,339.60, 32,501,009.40 and 8,897,009.20 is: 13,345,513.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,667,339.60 : 32,501,009.40 = 8,897,009.20 : x
  2. Step 2: Convert to fraction form
    21,667,339.60/32,501,009.40 = 8,897,009.20/x
  3. Step 3: Cross multiply
    21,667,339.60x = 32,501,009.40 × 8,897,009.20
  4. Step 4: Simplify right side
    21,667,339.60x = 289,161,779,641,086.44
  5. Step 5: Solve for x
    x = 289,161,779,641,086.44/21,667,339.60
  6. Step 6: Final answer
    x = 13,345,513.80

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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.