Home / 20,459,434.12-28,233,960.90-11,292,011.08

Finding the Fourth Proportional to 20,459,434.12, 28,233,960.90 and 11,292,011.08

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Solution

The fourth proportional to 20,459,434.12, 28,233,960.90 and 11,292,011.08 is: 15,582,943.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,459,434.12 : 28,233,960.90 = 11,292,011.08 : x
  2. Step 2: Convert to fraction form
    20,459,434.12/28,233,960.90 = 11,292,011.08/x
  3. Step 3: Cross multiply
    20,459,434.12x = 28,233,960.90 × 11,292,011.08
  4. Step 4: Simplify right side
    20,459,434.12x = 318,818,199,315,086.75
  5. Step 5: Solve for x
    x = 318,818,199,315,086.75/20,459,434.12
  6. Step 6: Final answer
    x = 15,582,943.18

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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.