Home / 28,975,634.48-43,423,079.16-21,778,771.52

Finding the Fourth Proportional to 28,975,634.48, 43,423,079.16 and 21,778,771.52

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Solution

The fourth proportional to 28,975,634.48, 43,423,079.16 and 21,778,771.52 is: 32,637,812.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,975,634.48 : 43,423,079.16 = 21,778,771.52 : x
  2. Step 2: Convert to fraction form
    28,975,634.48/43,423,079.16 = 21,778,771.52/x
  3. Step 3: Cross multiply
    28,975,634.48x = 43,423,079.16 × 21,778,771.52
  4. Step 4: Simplify right side
    28,975,634.48x = 945,701,319,720,513.38
  5. Step 5: Solve for x
    x = 945,701,319,720,513.38/28,975,634.48
  6. Step 6: Final answer
    x = 32,637,812.31

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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.