Home / 21,856,516.20-32,788,710.90-9,078,312.60

Finding the Fourth Proportional to 21,856,516.20, 32,788,710.90 and 9,078,312.60

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Solution

The fourth proportional to 21,856,516.20, 32,788,710.90 and 9,078,312.60 is: 13,619,104.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,856,516.20 : 32,788,710.90 = 9,078,312.60 : x
  2. Step 2: Convert to fraction form
    21,856,516.20/32,788,710.90 = 9,078,312.60/x
  3. Step 3: Cross multiply
    21,856,516.20x = 32,788,710.90 × 9,078,312.60
  4. Step 4: Simplify right side
    21,856,516.20x = 297,666,167,301,227.31
  5. Step 5: Solve for x
    x = 297,666,167,301,227.31/21,856,516.20
  6. Step 6: Final answer
    x = 13,619,104.00

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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.