Home / 20,475,594.71-28,256,147.48-11,308,040.63

Finding the Fourth Proportional to 20,475,594.71, 28,256,147.48 and 11,308,040.63

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Solution

The fourth proportional to 20,475,594.71, 28,256,147.48 and 11,308,040.63 is: 15,605,000.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,475,594.71 : 28,256,147.48 = 11,308,040.63 : x
  2. Step 2: Convert to fraction form
    20,475,594.71/28,256,147.48 = 11,308,040.63/x
  3. Step 3: Cross multiply
    20,475,594.71x = 28,256,147.48 × 11,308,040.63
  4. Step 4: Simplify right side
    20,475,594.71x = 319,521,663,553,291.19
  5. Step 5: Solve for x
    x = 319,521,663,553,291.19/20,475,594.71
  6. Step 6: Final answer
    x = 15,605,000.40

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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.