Home / 15,487,309.71-21,373,009.43-8,518,526.24

Finding the Fourth Proportional to 15,487,309.71, 21,373,009.43 and 8,518,526.24

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Solution

The fourth proportional to 15,487,309.71, 21,373,009.43 and 8,518,526.24 is: 11,755,853.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,487,309.71 : 21,373,009.43 = 8,518,526.24 : x
  2. Step 2: Convert to fraction form
    15,487,309.71/21,373,009.43 = 8,518,526.24/x
  3. Step 3: Cross multiply
    15,487,309.71x = 21,373,009.43 × 8,518,526.24
  4. Step 4: Simplify right side
    15,487,309.71x = 182,066,541,507,764.75
  5. Step 5: Solve for x
    x = 182,066,541,507,764.75/15,487,309.71
  6. Step 6: Final answer
    x = 11,755,853.34

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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.