Home / 19,413,642.60-29,120,463.90-19,161,700.20

Finding the Fourth Proportional to 19,413,642.60, 29,120,463.90 and 19,161,700.20

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Solution

The fourth proportional to 19,413,642.60, 29,120,463.90 and 19,161,700.20 is: 28,742,550.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,413,642.60 : 29,120,463.90 = 19,161,700.20 : x
  2. Step 2: Convert to fraction form
    19,413,642.60/29,120,463.90 = 19,161,700.20/x
  3. Step 3: Cross multiply
    19,413,642.60x = 29,120,463.90 × 19,161,700.20
  4. Step 4: Simplify right side
    19,413,642.60x = 557,997,598,936,722.75
  5. Step 5: Solve for x
    x = 557,997,598,936,722.75/19,413,642.60
  6. Step 6: Final answer
    x = 28,742,550.30

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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.