Home / 28,354,864.20-42,532,296.30-13,210,326.60

Finding the Fourth Proportional to 28,354,864.20, 42,532,296.30 and 13,210,326.60

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Solution

The fourth proportional to 28,354,864.20, 42,532,296.30 and 13,210,326.60 is: 19,815,489.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,354,864.20 : 42,532,296.30 = 13,210,326.60 : x
  2. Step 2: Convert to fraction form
    28,354,864.20/42,532,296.30 = 13,210,326.60/x
  3. Step 3: Cross multiply
    28,354,864.20x = 42,532,296.30 × 13,210,326.60
  4. Step 4: Simplify right side
    28,354,864.20x = 561,865,525,170,971.50
  5. Step 5: Solve for x
    x = 561,865,525,170,971.50/28,354,864.20
  6. Step 6: Final answer
    x = 19,815,489.90

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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.