Home / 8,430,589.65-11,634,495.70-5,166,773.69

Finding the Fourth Proportional to 8,430,589.65, 11,634,495.70 and 5,166,773.69

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Solution

The fourth proportional to 8,430,589.65, 11,634,495.70 and 5,166,773.69 is: 7,130,320.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,430,589.65 : 11,634,495.70 = 5,166,773.69 : x
  2. Step 2: Convert to fraction form
    8,430,589.65/11,634,495.70 = 5,166,773.69/x
  3. Step 3: Cross multiply
    8,430,589.65x = 11,634,495.70 × 5,166,773.69
  4. Step 4: Simplify right side
    8,430,589.65x = 60,112,806,279,178.13
  5. Step 5: Solve for x
    x = 60,112,806,279,178.13/8,430,589.65
  6. Step 6: Final answer
    x = 7,130,320.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.