Home / 30,680,779.65-42,340,374.30-16,743,032.85

Finding the Fourth Proportional to 30,680,779.65, 42,340,374.30 and 16,743,032.85

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Solution

The fourth proportional to 30,680,779.65, 42,340,374.30 and 16,743,032.85 is: 23,105,875.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,680,779.65 : 42,340,374.30 = 16,743,032.85 : x
  2. Step 2: Convert to fraction form
    30,680,779.65/42,340,374.30 = 16,743,032.85/x
  3. Step 3: Cross multiply
    30,680,779.65x = 42,340,374.30 × 16,743,032.85
  4. Step 4: Simplify right side
    30,680,779.65x = 708,906,277,786,195.75
  5. Step 5: Solve for x
    x = 708,906,277,786,195.75/30,680,779.65
  6. Step 6: Final answer
    x = 23,105,875.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.