Home / 14,078,095.75-19,427,772.14-7,639,567.75

Finding the Fourth Proportional to 14,078,095.75, 19,427,772.14 and 7,639,567.75

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Solution

The fourth proportional to 14,078,095.75, 19,427,772.14 and 7,639,567.75 is: 10,542,603.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,078,095.75 : 19,427,772.14 = 7,639,567.75 : x
  2. Step 2: Convert to fraction form
    14,078,095.75/19,427,772.14 = 7,639,567.75/x
  3. Step 3: Cross multiply
    14,078,095.75x = 19,427,772.14 × 7,639,567.75
  4. Step 4: Simplify right side
    14,078,095.75x = 148,419,781,495,092.50
  5. Step 5: Solve for x
    x = 148,419,781,495,092.50/14,078,095.75
  6. Step 6: Final answer
    x = 10,542,603.50

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1.5x scale

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.