Home / 20,788,594.80-28,688,445.28-11,496,794.88

Finding the Fourth Proportional to 20,788,594.80, 28,688,445.28 and 11,496,794.88

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Solution

The fourth proportional to 20,788,594.80, 28,688,445.28 and 11,496,794.88 is: 15,865,678.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,788,594.80 : 28,688,445.28 = 11,496,794.88 : x
  2. Step 2: Convert to fraction form
    20,788,594.80/28,688,445.28 = 11,496,794.88/x
  3. Step 3: Cross multiply
    20,788,594.80x = 28,688,445.28 × 11,496,794.88
  4. Step 4: Simplify right side
    20,788,594.80x = 329,825,170,810,264.19
  5. Step 5: Solve for x
    x = 329,825,170,810,264.19/20,788,594.80
  6. Step 6: Final answer
    x = 15,865,678.94

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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.