Home / 20,233,362.70-30,350,044.05-18,107,598.70

Finding the Fourth Proportional to 20,233,362.70, 30,350,044.05 and 18,107,598.70

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Solution

The fourth proportional to 20,233,362.70, 30,350,044.05 and 18,107,598.70 is: 27,161,398.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,233,362.70 : 30,350,044.05 = 18,107,598.70 : x
  2. Step 2: Convert to fraction form
    20,233,362.70/30,350,044.05 = 18,107,598.70/x
  3. Step 3: Cross multiply
    20,233,362.70x = 30,350,044.05 × 18,107,598.70
  4. Step 4: Simplify right side
    20,233,362.70x = 549,566,418,184,722.75
  5. Step 5: Solve for x
    x = 549,566,418,184,722.75/20,233,362.70
  6. Step 6: Final answer
    x = 27,161,398.05

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1.5x scale

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.