Home / 14,005,828.76-19,328,004.85-7,810,881.29

Finding the Fourth Proportional to 14,005,828.76, 19,328,004.85 and 7,810,881.29

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Solution

The fourth proportional to 14,005,828.76, 19,328,004.85 and 7,810,881.29 is: 10,778,994.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005,828.76 : 19,328,004.85 = 7,810,881.29 : x
  2. Step 2: Convert to fraction form
    14,005,828.76/19,328,004.85 = 7,810,881.29/x
  3. Step 3: Cross multiply
    14,005,828.76x = 19,328,004.85 × 7,810,881.29
  4. Step 4: Simplify right side
    14,005,828.76x = 150,968,751,455,894.28
  5. Step 5: Solve for x
    x = 150,968,751,455,894.28/14,005,828.76
  6. Step 6: Final answer
    x = 10,778,994.52

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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.