Home / 12,769,291.40-19,153,937.10-10,501,809.80

Finding the Fourth Proportional to 12,769,291.40, 19,153,937.10 and 10,501,809.80

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Solution

The fourth proportional to 12,769,291.40, 19,153,937.10 and 10,501,809.80 is: 15,752,714.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,769,291.40 : 19,153,937.10 = 10,501,809.80 : x
  2. Step 2: Convert to fraction form
    12,769,291.40/19,153,937.10 = 10,501,809.80/x
  3. Step 3: Cross multiply
    12,769,291.40x = 19,153,937.10 × 10,501,809.80
  4. Step 4: Simplify right side
    12,769,291.40x = 201,151,004,345,363.62
  5. Step 5: Solve for x
    x = 201,151,004,345,363.62/12,769,291.40
  6. Step 6: Final answer
    x = 15,752,714.70

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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.