Home / 12,856,565.84-19,284,295.80-3,880,850

Finding the Fourth Proportional to 12,856,565.84, 19,284,295.80 and 3,880,850

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Solution

The fourth proportional to 12,856,565.84, 19,284,295.80 and 3,880,850 is: 5,821,108.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,856,565.84 : 19,284,295.80 = 3,880,850 : x
  2. Step 2: Convert to fraction form
    12,856,565.84/19,284,295.80 = 3,880,850/x
  3. Step 3: Cross multiply
    12,856,565.84x = 19,284,295.80 × 3,880,850
  4. Step 4: Simplify right side
    12,856,565.84x = 74,839,459,355,430
  5. Step 5: Solve for x
    x = 74,839,459,355,430/12,856,565.84
  6. Step 6: Final answer
    x = 5,821,108.08

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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.