Home / 21,860,501.40-32,790,752.10-9,074,424.60

Finding the Fourth Proportional to 21,860,501.40, 32,790,752.10 and 9,074,424.60

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Solution

The fourth proportional to 21,860,501.40, 32,790,752.10 and 9,074,424.60 is: 13,611,636.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,860,501.40 : 32,790,752.10 = 9,074,424.60 : x
  2. Step 2: Convert to fraction form
    21,860,501.40/32,790,752.10 = 9,074,424.60/x
  3. Step 3: Cross multiply
    21,860,501.40x = 32,790,752.10 × 9,074,424.60
  4. Step 4: Simplify right side
    21,860,501.40x = 297,557,207,508,741.69
  5. Step 5: Solve for x
    x = 297,557,207,508,741.69/21,860,501.40
  6. Step 6: Final answer
    x = 13,611,636.90

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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.