Home / 19,690,365.20-29,535,547.80-19,247,997.20

Finding the Fourth Proportional to 19,690,365.20, 29,535,547.80 and 19,247,997.20

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Solution

The fourth proportional to 19,690,365.20, 29,535,547.80 and 19,247,997.20 is: 28,871,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,690,365.20 : 29,535,547.80 = 19,247,997.20 : x
  2. Step 2: Convert to fraction form
    19,690,365.20/29,535,547.80 = 19,247,997.20/x
  3. Step 3: Cross multiply
    19,690,365.20x = 29,535,547.80 × 19,247,997.20
  4. Step 4: Simplify right side
    19,690,365.20x = 568,500,141,354,866.12
  5. Step 5: Solve for x
    x = 568,500,141,354,866.12/19,690,365.20
  6. Step 6: Final answer
    x = 28,871,995.80

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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.