Home / 28,030,200.90-42,045,301.35-12,884,132.40

Finding the Fourth Proportional to 28,030,200.90, 42,045,301.35 and 12,884,132.40

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Solution

The fourth proportional to 28,030,200.90, 42,045,301.35 and 12,884,132.40 is: 19,326,198.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,030,200.90 : 42,045,301.35 = 12,884,132.40 : x
  2. Step 2: Convert to fraction form
    28,030,200.90/42,045,301.35 = 12,884,132.40/x
  3. Step 3: Cross multiply
    28,030,200.90x = 42,045,301.35 × 12,884,132.40
  4. Step 4: Simplify right side
    28,030,200.90x = 541,717,229,391,298.75
  5. Step 5: Solve for x
    x = 541,717,229,391,298.75/28,030,200.90
  6. Step 6: Final answer
    x = 19,326,198.60

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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.