Home / 7,885,848.30-11,828,772.45-3,634,320.30

Finding the Fourth Proportional to 7,885,848.30, 11,828,772.45 and 3,634,320.30

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Solution

The fourth proportional to 7,885,848.30, 11,828,772.45 and 3,634,320.30 is: 5,451,480.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,885,848.30 : 11,828,772.45 = 3,634,320.30 : x
  2. Step 2: Convert to fraction form
    7,885,848.30/11,828,772.45 = 3,634,320.30/x
  3. Step 3: Cross multiply
    7,885,848.30x = 11,828,772.45 × 3,634,320.30
  4. Step 4: Simplify right side
    7,885,848.30x = 42,989,547,839,115.73
  5. Step 5: Solve for x
    x = 42,989,547,839,115.73/7,885,848.30
  6. Step 6: Final answer
    x = 5,451,480.45

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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.