Home / 19,604,133.45-29,406,200.18-18,722,335.05

Finding the Fourth Proportional to 19,604,133.45, 29,406,200.18 and 18,722,335.05

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Solution

The fourth proportional to 19,604,133.45, 29,406,200.18 and 18,722,335.05 is: 28,083,502.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,604,133.45 : 29,406,200.18 = 18,722,335.05 : x
  2. Step 2: Convert to fraction form
    19,604,133.45/29,406,200.18 = 18,722,335.05/x
  3. Step 3: Cross multiply
    19,604,133.45x = 29,406,200.18 × 18,722,335.05
  4. Step 4: Simplify right side
    19,604,133.45x = 550,552,732,223,718.69
  5. Step 5: Solve for x
    x = 550,552,732,223,718.69/19,604,133.45
  6. Step 6: Final answer
    x = 28,083,502.58

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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.