Home / 11,565,011.40-17,347,517.10-8,205,779.40

Finding the Fourth Proportional to 11,565,011.40, 17,347,517.10 and 8,205,779.40

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Solution

The fourth proportional to 11,565,011.40, 17,347,517.10 and 8,205,779.40 is: 12,308,669.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,565,011.40 : 17,347,517.10 = 8,205,779.40 : x
  2. Step 2: Convert to fraction form
    11,565,011.40/17,347,517.10 = 8,205,779.40/x
  3. Step 3: Cross multiply
    11,565,011.40x = 17,347,517.10 × 8,205,779.40
  4. Step 4: Simplify right side
    11,565,011.40x = 142,349,898,460,327.75
  5. Step 5: Solve for x
    x = 142,349,898,460,327.75/11,565,011.40
  6. Step 6: Final answer
    x = 12,308,669.10

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Similar ratio
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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.