Home / 15,551,079.64-21,460,499.13-8,675,561.68

Finding the Fourth Proportional to 15,551,079.64, 21,460,499.13 and 8,675,561.68

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Solution

The fourth proportional to 15,551,079.64, 21,460,499.13 and 8,675,561.68 is: 11,972,280.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,551,079.64 : 21,460,499.13 = 8,675,561.68 : x
  2. Step 2: Convert to fraction form
    15,551,079.64/21,460,499.13 = 8,675,561.68/x
  3. Step 3: Cross multiply
    15,551,079.64x = 21,460,499.13 × 8,675,561.68
  4. Step 4: Simplify right side
    15,551,079.64x = 186,181,883,885,901.31
  5. Step 5: Solve for x
    x = 186,181,883,885,901.31/15,551,079.64
  6. Step 6: Final answer
    x = 11,972,280.27

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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.