Home / 19,249,947.40-28,874,921.10-12,083,585.80

Finding the Fourth Proportional to 19,249,947.40, 28,874,921.10 and 12,083,585.80

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Solution

The fourth proportional to 19,249,947.40, 28,874,921.10 and 12,083,585.80 is: 18,125,378.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,249,947.40 : 28,874,921.10 = 12,083,585.80 : x
  2. Step 2: Convert to fraction form
    19,249,947.40/28,874,921.10 = 12,083,585.80/x
  3. Step 3: Cross multiply
    19,249,947.40x = 28,874,921.10 × 12,083,585.80
  4. Step 4: Simplify right side
    19,249,947.40x = 348,912,586,580,080.44
  5. Step 5: Solve for x
    x = 348,912,586,580,080.44/19,249,947.40
  6. Step 6: Final answer
    x = 18,125,378.70

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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.