Home / 20,435,678.64-30,653,517.90-14,026,500.18

Finding the Fourth Proportional to 20,435,678.64, 30,653,517.90 and 14,026,500.18

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Solution

The fourth proportional to 20,435,678.64, 30,653,517.90 and 14,026,500.18 is: 21,039,750.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,435,678.64 : 30,653,517.90 = 14,026,500.18 : x
  2. Step 2: Convert to fraction form
    20,435,678.64/30,653,517.90 = 14,026,500.18/x
  3. Step 3: Cross multiply
    20,435,678.64x = 30,653,517.90 × 14,026,500.18
  4. Step 4: Simplify right side
    20,435,678.64x = 429,961,574,341,983.19
  5. Step 5: Solve for x
    x = 429,961,574,341,983.19/20,435,678.64
  6. Step 6: Final answer
    x = 21,039,750.23

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1.5x scale

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.