Home / 22,822,520.40-31,495,011.84-12,509,211.60

Finding the Fourth Proportional to 22,822,520.40, 31,495,011.84 and 12,509,211.60

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Solution

The fourth proportional to 22,822,520.40, 31,495,011.84 and 12,509,211.60 is: 17,262,675.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,822,520.40 : 31,495,011.84 = 12,509,211.60 : x
  2. Step 2: Convert to fraction form
    22,822,520.40/31,495,011.84 = 12,509,211.60/x
  3. Step 3: Cross multiply
    22,822,520.40x = 31,495,011.84 × 12,509,211.60
  4. Step 4: Simplify right side
    22,822,520.40x = 393,977,767,451,065.31
  5. Step 5: Solve for x
    x = 393,977,767,451,065.31/22,822,520.40
  6. Step 6: Final answer
    x = 17,262,675.66

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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.