Home / 7,461,961.60-11,187,412.80-5,059,811.20

Finding the Fourth Proportional to 7,461,961.60, 11,187,412.80 and 5,059,811.20

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Solution

The fourth proportional to 7,461,961.60, 11,187,412.80 and 5,059,811.20 is: 7,585,967.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,461,961.60 : 11,187,412.80 = 5,059,811.20 : x
  2. Step 2: Convert to fraction form
    7,461,961.60/11,187,412.80 = 5,059,811.20/x
  3. Step 3: Cross multiply
    7,461,961.60x = 11,187,412.80 × 5,059,811.20
  4. Step 4: Simplify right side
    7,461,961.60x = 56,606,196,584,463.37
  5. Step 5: Solve for x
    x = 56,606,196,584,463.37/7,461,961.60
  6. Step 6: Final answer
    x = 7,585,967.29

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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.