Home / 5,353,717.19-8,020,832.70-4,779,760.91

Finding the Fourth Proportional to 5,353,717.19, 8,020,832.70 and 4,779,760.91

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Solution

The fourth proportional to 5,353,717.19, 8,020,832.70 and 4,779,760.91 is: 7,160,942.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353,717.19 : 8,020,832.70 = 4,779,760.91 : x
  2. Step 2: Convert to fraction form
    5,353,717.19/8,020,832.70 = 4,779,760.91/x
  3. Step 3: Cross multiply
    5,353,717.19x = 8,020,832.70 × 4,779,760.91
  4. Step 4: Simplify right side
    5,353,717.19x = 38,337,662,605,109.76
  5. Step 5: Solve for x
    x = 38,337,662,605,109.76/5,353,717.19
  6. Step 6: Final answer
    x = 7,160,942.81

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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.