Home / 30,385,464.76-41,931,940.16-16,634,428.88

Finding the Fourth Proportional to 30,385,464.76, 41,931,940.16 and 16,634,428.88

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Solution

The fourth proportional to 30,385,464.76, 41,931,940.16 and 16,634,428.88 is: 22,955,511.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,385,464.76 : 41,931,940.16 = 16,634,428.88 : x
  2. Step 2: Convert to fraction form
    30,385,464.76/41,931,940.16 = 16,634,428.88/x
  3. Step 3: Cross multiply
    30,385,464.76x = 41,931,940.16 × 16,634,428.88
  4. Step 4: Simplify right side
    30,385,464.76x = 697,513,876,538,351.75
  5. Step 5: Solve for x
    x = 697,513,876,538,351.75/30,385,464.76
  6. Step 6: Final answer
    x = 22,955,511.20

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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.