Home / 21,856,515.70-32,788,710.15-9,078,312.10

Finding the Fourth Proportional to 21,856,515.70, 32,788,710.15 and 9,078,312.10

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Solution

The fourth proportional to 21,856,515.70, 32,788,710.15 and 9,078,312.10 is: 13,619,103.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,856,515.70 : 32,788,710.15 = 9,078,312.10 : x
  2. Step 2: Convert to fraction form
    21,856,515.70/32,788,710.15 = 9,078,312.10/x
  3. Step 3: Cross multiply
    21,856,515.70x = 32,788,710.15 × 9,078,312.10
  4. Step 4: Simplify right side
    21,856,515.70x = 297,666,144,098,137.81
  5. Step 5: Solve for x
    x = 297,666,144,098,137.81/21,856,515.70
  6. Step 6: Final answer
    x = 13,619,103.25

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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.