Home / 15,397,973.10-21,250,189.35-8,871,483.96

Finding the Fourth Proportional to 15,397,973.10, 21,250,189.35 and 8,871,483.96

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Solution

The fourth proportional to 15,397,973.10, 21,250,189.35 and 8,871,483.96 is: 12,243,216.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,397,973.10 : 21,250,189.35 = 8,871,483.96 : x
  2. Step 2: Convert to fraction form
    15,397,973.10/21,250,189.35 = 8,871,483.96/x
  3. Step 3: Cross multiply
    15,397,973.10x = 21,250,189.35 × 8,871,483.96
  4. Step 4: Simplify right side
    15,397,973.10x = 188,520,713,965,487.84
  5. Step 5: Solve for x
    x = 188,520,713,965,487.84/15,397,973.10
  6. Step 6: Final answer
    x = 12,243,216.22

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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.