Home / 7,853,019.60-11,779,638.20-5,174,491.60

Finding the Fourth Proportional to 7,853,019.60, 11,779,638.20 and 5,174,491.60

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Solution

The fourth proportional to 7,853,019.60, 11,779,638.20 and 5,174,491.60 is: 7,761,809.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,853,019.60 : 11,779,638.20 = 5,174,491.60 : x
  2. Step 2: Convert to fraction form
    7,853,019.60/11,779,638.20 = 5,174,491.60/x
  3. Step 3: Cross multiply
    7,853,019.60x = 11,779,638.20 × 5,174,491.60
  4. Step 4: Simplify right side
    7,853,019.60x = 60,953,638,916,939.11
  5. Step 5: Solve for x
    x = 60,953,638,916,939.11/7,853,019.60
  6. Step 6: Final answer
    x = 7,761,809.09

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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.