Home / 28,295,061.60-42,442,592.40-19,685,717.40

Finding the Fourth Proportional to 28,295,061.60, 42,442,592.40 and 19,685,717.40

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Solution

The fourth proportional to 28,295,061.60, 42,442,592.40 and 19,685,717.40 is: 29,528,576.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,295,061.60 : 42,442,592.40 = 19,685,717.40 : x
  2. Step 2: Convert to fraction form
    28,295,061.60/42,442,592.40 = 19,685,717.40/x
  3. Step 3: Cross multiply
    28,295,061.60x = 42,442,592.40 × 19,685,717.40
  4. Step 4: Simplify right side
    28,295,061.60x = 835,512,879,709,787.62
  5. Step 5: Solve for x
    x = 835,512,879,709,787.62/28,295,061.60
  6. Step 6: Final answer
    x = 29,528,576.10

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1.5x scale

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.