Home / 30,677,965.40-42,336,478.11-16,927,815.24

Finding the Fourth Proportional to 30,677,965.40, 42,336,478.11 and 16,927,815.24

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Solution

The fourth proportional to 30,677,965.40, 42,336,478.11 and 16,927,815.24 is: 23,360,873.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,677,965.40 : 42,336,478.11 = 16,927,815.24 : x
  2. Step 2: Convert to fraction form
    30,677,965.40/42,336,478.11 = 16,927,815.24/x
  3. Step 3: Cross multiply
    30,677,965.40x = 42,336,478.11 × 16,927,815.24
  4. Step 4: Simplify right side
    30,677,965.40x = 716,664,079,358,384.38
  5. Step 5: Solve for x
    x = 716,664,079,358,384.38/30,677,965.40
  6. Step 6: Final answer
    x = 23,360,873.84

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Double scale
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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.