Home / 30,865,406.40-42,592,184.64-17,113,861.44

Finding the Fourth Proportional to 30,865,406.40, 42,592,184.64 and 17,113,861.44

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Solution

The fourth proportional to 30,865,406.40, 42,592,184.64 and 17,113,861.44 is: 23,615,977.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,865,406.40 : 42,592,184.64 = 17,113,861.44 : x
  2. Step 2: Convert to fraction form
    30,865,406.40/42,592,184.64 = 17,113,861.44/x
  3. Step 3: Cross multiply
    30,865,406.40x = 42,592,184.64 × 17,113,861.44
  4. Step 4: Simplify right side
    30,865,406.40x = 728,916,746,355,856.38
  5. Step 5: Solve for x
    x = 728,916,746,355,856.38/30,865,406.40
  6. Step 6: Final answer
    x = 23,615,977.61

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1.5x scale

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.