Home / 21,383,999.10-32,075,998.65-20,124,287.10

Finding the Fourth Proportional to 21,383,999.10, 32,075,998.65 and 20,124,287.10

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Solution

The fourth proportional to 21,383,999.10, 32,075,998.65 and 20,124,287.10 is: 30,186,430.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,383,999.10 : 32,075,998.65 = 20,124,287.10 : x
  2. Step 2: Convert to fraction form
    21,383,999.10/32,075,998.65 = 20,124,287.10/x
  3. Step 3: Cross multiply
    21,383,999.10x = 32,075,998.65 × 20,124,287.10
  4. Step 4: Simplify right side
    21,383,999.10x = 645,506,605,851,812.38
  5. Step 5: Solve for x
    x = 645,506,605,851,812.38/21,383,999.10
  6. Step 6: Final answer
    x = 30,186,430.65

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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.