Home / 14,337,048.78-19,785,024.09-7,810,676.28

Finding the Fourth Proportional to 14,337,048.78, 19,785,024.09 and 7,810,676.28

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Solution

The fourth proportional to 14,337,048.78, 19,785,024.09 and 7,810,676.28 is: 10,778,677.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,337,048.78 : 19,785,024.09 = 7,810,676.28 : x
  2. Step 2: Convert to fraction form
    14,337,048.78/19,785,024.09 = 7,810,676.28/x
  3. Step 3: Cross multiply
    14,337,048.78x = 19,785,024.09 × 7,810,676.28
  4. Step 4: Simplify right side
    14,337,048.78x = 154,534,418,358,991.59
  5. Step 5: Solve for x
    x = 154,534,418,358,991.59/14,337,048.78
  6. Step 6: Final answer
    x = 10,778,677.03

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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.