Home / 28,364,906.40-42,547,705.20-9,195,511.20

Finding the Fourth Proportional to 28,364,906.40, 42,547,705.20 and 9,195,511.20

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Solution

The fourth proportional to 28,364,906.40, 42,547,705.20 and 9,195,511.20 is: 13,793,378.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,364,906.40 : 42,547,705.20 = 9,195,511.20 : x
  2. Step 2: Convert to fraction form
    28,364,906.40/42,547,705.20 = 9,195,511.20/x
  3. Step 3: Cross multiply
    28,364,906.40x = 42,547,705.20 × 9,195,511.20
  4. Step 4: Simplify right side
    28,364,906.40x = 391,247,899,700,898.25
  5. Step 5: Solve for x
    x = 391,247,899,700,898.25/28,364,906.40
  6. Step 6: Final answer
    x = 13,793,378.84

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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.