Home / 28,490,514.35-39,330,468.54-19,087,496.91

Finding the Fourth Proportional to 28,490,514.35, 39,330,468.54 and 19,087,496.91

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Solution

The fourth proportional to 28,490,514.35, 39,330,468.54 and 19,087,496.91 is: 26,349,829.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,490,514.35 : 39,330,468.54 = 19,087,496.91 : x
  2. Step 2: Convert to fraction form
    28,490,514.35/39,330,468.54 = 19,087,496.91/x
  3. Step 3: Cross multiply
    28,490,514.35x = 39,330,468.54 × 19,087,496.91
  4. Step 4: Simplify right side
    28,490,514.35x = 750,720,196,726,102.25
  5. Step 5: Solve for x
    x = 750,720,196,726,102.25/28,490,514.35
  6. Step 6: Final answer
    x = 26,349,829.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.