Home / 12,955,824.20-19,442,030.70-7,564,464.20

Finding the Fourth Proportional to 12,955,824.20, 19,442,030.70 and 7,564,464.20

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Solution

The fourth proportional to 12,955,824.20, 19,442,030.70 and 7,564,464.20 is: 11,351,539.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,955,824.20 : 19,442,030.70 = 7,564,464.20 : x
  2. Step 2: Convert to fraction form
    12,955,824.20/19,442,030.70 = 7,564,464.20/x
  3. Step 3: Cross multiply
    12,955,824.20x = 19,442,030.70 × 7,564,464.20
  4. Step 4: Simplify right side
    12,955,824.20x = 147,068,545,205,450.94
  5. Step 5: Solve for x
    x = 147,068,545,205,450.94/12,955,824.20
  6. Step 6: Final answer
    x = 11,351,539.12

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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.