Home / 31,536,000.90-47,304,001.35-21,383,655.30

Finding the Fourth Proportional to 31,536,000.90, 47,304,001.35 and 21,383,655.30

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Solution

The fourth proportional to 31,536,000.90, 47,304,001.35 and 21,383,655.30 is: 32,075,482.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,536,000.90 : 47,304,001.35 = 21,383,655.30 : x
  2. Step 2: Convert to fraction form
    31,536,000.90/47,304,001.35 = 21,383,655.30/x
  3. Step 3: Cross multiply
    31,536,000.90x = 47,304,001.35 × 21,383,655.30
  4. Step 4: Simplify right side
    31,536,000.90x = 1,011,532,459,179,134.75
  5. Step 5: Solve for x
    x = 1,011,532,459,179,134.75/31,536,000.90
  6. Step 6: Final answer
    x = 32,075,482.95

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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.