Home / 18,807,231.40-28,210,847.10-12,088,767.40

Finding the Fourth Proportional to 18,807,231.40, 28,210,847.10 and 12,088,767.40

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Solution

The fourth proportional to 18,807,231.40, 28,210,847.10 and 12,088,767.40 is: 18,133,151.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,807,231.40 : 28,210,847.10 = 12,088,767.40 : x
  2. Step 2: Convert to fraction form
    18,807,231.40/28,210,847.10 = 12,088,767.40/x
  3. Step 3: Cross multiply
    18,807,231.40x = 28,210,847.10 × 12,088,767.40
  4. Step 4: Simplify right side
    18,807,231.40x = 341,034,368,748,864.56
  5. Step 5: Solve for x
    x = 341,034,368,748,864.56/18,807,231.40
  6. Step 6: Final answer
    x = 18,133,151.10

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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.