Home / 13,133,053.40-19,699,580.10-12,853,117.40

Finding the Fourth Proportional to 13,133,053.40, 19,699,580.10 and 12,853,117.40

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Solution

The fourth proportional to 13,133,053.40, 19,699,580.10 and 12,853,117.40 is: 19,279,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,133,053.40 : 19,699,580.10 = 12,853,117.40 : x
  2. Step 2: Convert to fraction form
    13,133,053.40/19,699,580.10 = 12,853,117.40/x
  3. Step 3: Cross multiply
    13,133,053.40x = 19,699,580.10 × 12,853,117.40
  4. Step 4: Simplify right side
    13,133,053.40x = 253,201,015,756,003.78
  5. Step 5: Solve for x
    x = 253,201,015,756,003.78/13,133,053.40
  6. Step 6: Final answer
    x = 19,279,676.10

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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.