Home / 21,721,615.20-32,574,128.40-6,570,511.20

Finding the Fourth Proportional to 21,721,615.20, 32,574,128.40 and 6,570,511.20

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Solution

The fourth proportional to 21,721,615.20, 32,574,128.40 and 6,570,511.20 is: 9,853,257.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,721,615.20 : 32,574,128.40 = 6,570,511.20 : x
  2. Step 2: Convert to fraction form
    21,721,615.20/32,574,128.40 = 6,570,511.20/x
  3. Step 3: Cross multiply
    21,721,615.20x = 32,574,128.40 × 6,570,511.20
  4. Step 4: Simplify right side
    21,721,615.20x = 214,028,675,482,438.06
  5. Step 5: Solve for x
    x = 214,028,675,482,438.06/21,721,615.20
  6. Step 6: Final answer
    x = 9,853,257.85

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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.