Home / 8,877,007.70-13,315,511.55-8,528,642.90

Finding the Fourth Proportional to 8,877,007.70, 13,315,511.55 and 8,528,642.90

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Solution

The fourth proportional to 8,877,007.70, 13,315,511.55 and 8,528,642.90 is: 12,792,964.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877,007.70 : 13,315,511.55 = 8,528,642.90 : x
  2. Step 2: Convert to fraction form
    8,877,007.70/13,315,511.55 = 8,528,642.90/x
  3. Step 3: Cross multiply
    8,877,007.70x = 13,315,511.55 × 8,528,642.90
  4. Step 4: Simplify right side
    8,877,007.70x = 113,563,243,040,775.50
  5. Step 5: Solve for x
    x = 113,563,243,040,775.50/8,877,007.70
  6. Step 6: Final answer
    x = 12,792,964.35

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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.