Home / 28,201,672.60-42,302,508.90-18,614,808.70

Finding the Fourth Proportional to 28,201,672.60, 42,302,508.90 and 18,614,808.70

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Solution

The fourth proportional to 28,201,672.60, 42,302,508.90 and 18,614,808.70 is: 27,922,213.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,201,672.60 : 42,302,508.90 = 18,614,808.70 : x
  2. Step 2: Convert to fraction form
    28,201,672.60/42,302,508.90 = 18,614,808.70/x
  3. Step 3: Cross multiply
    28,201,672.60x = 42,302,508.90 × 18,614,808.70
  4. Step 4: Simplify right side
    28,201,672.60x = 787,453,110,703,547.38
  5. Step 5: Solve for x
    x = 787,453,110,703,547.38/28,201,672.60
  6. Step 6: Final answer
    x = 27,922,213.05

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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.