Home / 21,575,999.80-32,363,999.70-8,789,534.20

Finding the Fourth Proportional to 21,575,999.80, 32,363,999.70 and 8,789,534.20

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Solution

The fourth proportional to 21,575,999.80, 32,363,999.70 and 8,789,534.20 is: 13,184,301.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,575,999.80 : 32,363,999.70 = 8,789,534.20 : x
  2. Step 2: Convert to fraction form
    21,575,999.80/32,363,999.70 = 8,789,534.20/x
  3. Step 3: Cross multiply
    21,575,999.80x = 32,363,999.70 × 8,789,534.20
  4. Step 4: Simplify right side
    21,575,999.80x = 284,464,482,211,939.69
  5. Step 5: Solve for x
    x = 284,464,482,211,939.69/21,575,999.80
  6. Step 6: Final answer
    x = 13,184,301.30

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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.