Home / 12,623,999.40-18,935,999.10-4,104,613.80

Finding the Fourth Proportional to 12,623,999.40, 18,935,999.10 and 4,104,613.80

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Solution

The fourth proportional to 12,623,999.40, 18,935,999.10 and 4,104,613.80 is: 6,156,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,623,999.40 : 18,935,999.10 = 4,104,613.80 : x
  2. Step 2: Convert to fraction form
    12,623,999.40/18,935,999.10 = 4,104,613.80/x
  3. Step 3: Cross multiply
    12,623,999.40x = 18,935,999.10 × 4,104,613.80
  4. Step 4: Simplify right side
    12,623,999.40x = 77,724,963,222,647.58
  5. Step 5: Solve for x
    x = 77,724,963,222,647.58/12,623,999.40
  6. Step 6: Final answer
    x = 6,156,920.70

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1.5x scale

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.