Home / 22,203,439.79-30,641,916.80-13,500,171.23

Finding the Fourth Proportional to 22,203,439.79, 30,641,916.80 and 13,500,171.23

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Solution

The fourth proportional to 22,203,439.79, 30,641,916.80 and 13,500,171.23 is: 18,630,947.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,203,439.79 : 30,641,916.80 = 13,500,171.23 : x
  2. Step 2: Convert to fraction form
    22,203,439.79/30,641,916.80 = 13,500,171.23/x
  3. Step 3: Cross multiply
    22,203,439.79x = 30,641,916.80 × 13,500,171.23
  4. Step 4: Simplify right side
    22,203,439.79x = 413,671,123,495,954.50
  5. Step 5: Solve for x
    x = 413,671,123,495,954.50/22,203,439.79
  6. Step 6: Final answer
    x = 18,630,947.61

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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.