Home / 13,044,925.16-18,003,137.48-7,244,840.80

Finding the Fourth Proportional to 13,044,925.16, 18,003,137.48 and 7,244,840.80

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Solution

The fourth proportional to 13,044,925.16, 18,003,137.48 and 7,244,840.80 is: 9,998,513.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,044,925.16 : 18,003,137.48 = 7,244,840.80 : x
  2. Step 2: Convert to fraction form
    13,044,925.16/18,003,137.48 = 7,244,840.80/x
  3. Step 3: Cross multiply
    13,044,925.16x = 18,003,137.48 × 7,244,840.80
  4. Step 4: Simplify right side
    13,044,925.16x = 130,429,864,943,113.19
  5. Step 5: Solve for x
    x = 130,429,864,943,113.19/13,044,925.16
  6. Step 6: Final answer
    x = 9,998,513.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.