Home / 21,666,610.80-32,512,514.40-8,896,280.40

Finding the Fourth Proportional to 21,666,610.80, 32,512,514.40 and 8,896,280.40

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Solution

The fourth proportional to 21,666,610.80, 32,512,514.40 and 8,896,280.40 is: 13,349,593.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,666,610.80 : 32,512,514.40 = 8,896,280.40 : x
  2. Step 2: Convert to fraction form
    21,666,610.80/32,512,514.40 = 8,896,280.40/x
  3. Step 3: Cross multiply
    21,666,610.80x = 32,512,514.40 × 8,896,280.40
  4. Step 4: Simplify right side
    21,666,610.80x = 289,240,444,611,437.75
  5. Step 5: Solve for x
    x = 289,240,444,611,437.75/21,666,610.80
  6. Step 6: Final answer
    x = 13,349,593.40

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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.