Home / 21,383,717.40-32,075,576.10-20,124,005.40

Finding the Fourth Proportional to 21,383,717.40, 32,075,576.10 and 20,124,005.40

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Solution

The fourth proportional to 21,383,717.40, 32,075,576.10 and 20,124,005.40 is: 30,186,008.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,383,717.40 : 32,075,576.10 = 20,124,005.40 : x
  2. Step 2: Convert to fraction form
    21,383,717.40/32,075,576.10 = 20,124,005.40/x
  3. Step 3: Cross multiply
    21,383,717.40x = 32,075,576.10 × 20,124,005.40
  4. Step 4: Simplify right side
    21,383,717.40x = 645,489,066,644,510.88
  5. Step 5: Solve for x
    x = 645,489,066,644,510.88/21,383,717.40
  6. Step 6: Final answer
    x = 30,186,008.10

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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.