Home / 21,730,607.80-32,599,848.30-10,920,704.20

Finding the Fourth Proportional to 21,730,607.80, 32,599,848.30 and 10,920,704.20

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Solution

The fourth proportional to 21,730,607.80, 32,599,848.30 and 10,920,704.20 is: 16,383,034.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,730,607.80 : 32,599,848.30 = 10,920,704.20 : x
  2. Step 2: Convert to fraction form
    21,730,607.80/32,599,848.30 = 10,920,704.20/x
  3. Step 3: Cross multiply
    21,730,607.80x = 32,599,848.30 × 10,920,704.20
  4. Step 4: Simplify right side
    21,730,607.80x = 356,013,300,249,172.88
  5. Step 5: Solve for x
    x = 356,013,300,249,172.88/21,730,607.80
  6. Step 6: Final answer
    x = 16,383,034.64

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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.