Home / 7,887,703.86-11,800,425.67-5,974,128.68

Finding the Fourth Proportional to 7,887,703.86, 11,800,425.67 and 5,974,128.68

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Solution

The fourth proportional to 7,887,703.86, 11,800,425.67 and 5,974,128.68 is: 8,937,615.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887,703.86 : 11,800,425.67 = 5,974,128.68 : x
  2. Step 2: Convert to fraction form
    7,887,703.86/11,800,425.67 = 5,974,128.68/x
  3. Step 3: Cross multiply
    7,887,703.86x = 11,800,425.67 × 5,974,128.68
  4. Step 4: Simplify right side
    7,887,703.86x = 70,497,261,357,417.77
  5. Step 5: Solve for x
    x = 70,497,261,357,417.77/7,887,703.86
  6. Step 6: Final answer
    x = 8,937,615.13

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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.