Home / 12,396,032.10-18,594,048.15-10,411,985.70

Finding the Fourth Proportional to 12,396,032.10, 18,594,048.15 and 10,411,985.70

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Solution

The fourth proportional to 12,396,032.10, 18,594,048.15 and 10,411,985.70 is: 15,617,978.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,396,032.10 : 18,594,048.15 = 10,411,985.70 : x
  2. Step 2: Convert to fraction form
    12,396,032.10/18,594,048.15 = 10,411,985.70/x
  3. Step 3: Cross multiply
    12,396,032.10x = 18,594,048.15 × 10,411,985.70
  4. Step 4: Simplify right side
    12,396,032.10x = 193,600,963,442,911.44
  5. Step 5: Solve for x
    x = 193,600,963,442,911.44/12,396,032.10
  6. Step 6: Final answer
    x = 15,617,978.55

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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.