Home / 28,618,543.15-39,490,004.93-19,346,287.79

Finding the Fourth Proportional to 28,618,543.15, 39,490,004.93 and 19,346,287.79

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Solution

The fourth proportional to 28,618,543.15, 39,490,004.93 and 19,346,287.79 is: 26,695,453.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,618,543.15 : 39,490,004.93 = 19,346,287.79 : x
  2. Step 2: Convert to fraction form
    28,618,543.15/39,490,004.93 = 19,346,287.79/x
  3. Step 3: Cross multiply
    28,618,543.15x = 39,490,004.93 × 19,346,287.79
  4. Step 4: Simplify right side
    28,618,543.15x = 763,985,000,206,292.38
  5. Step 5: Solve for x
    x = 763,985,000,206,292.38/28,618,543.15
  6. Step 6: Final answer
    x = 26,695,453.93

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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.