Home / 12,101,068.05-18,151,602.08-9,361,194.45

Finding the Fourth Proportional to 12,101,068.05, 18,151,602.08 and 9,361,194.45

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Solution

The fourth proportional to 12,101,068.05, 18,151,602.08 and 9,361,194.45 is: 14,041,791.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101,068.05 : 18,151,602.08 = 9,361,194.45 : x
  2. Step 2: Convert to fraction form
    12,101,068.05/18,151,602.08 = 9,361,194.45/x
  3. Step 3: Cross multiply
    12,101,068.05x = 18,151,602.08 × 9,361,194.45
  4. Step 4: Simplify right side
    12,101,068.05x = 169,920,676,603,098.47
  5. Step 5: Solve for x
    x = 169,920,676,603,098.47/12,101,068.05
  6. Step 6: Final answer
    x = 14,041,791.68

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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.