Home / 28,030,217.40-42,045,326.10-12,884,148.90

Finding the Fourth Proportional to 28,030,217.40, 42,045,326.10 and 12,884,148.90

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Solution

The fourth proportional to 28,030,217.40, 42,045,326.10 and 12,884,148.90 is: 19,326,223.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,030,217.40 : 42,045,326.10 = 12,884,148.90 : x
  2. Step 2: Convert to fraction form
    28,030,217.40/42,045,326.10 = 12,884,148.90/x
  3. Step 3: Cross multiply
    28,030,217.40x = 42,045,326.10 × 12,884,148.90
  4. Step 4: Simplify right side
    28,030,217.40x = 541,718,242,021,456.31
  5. Step 5: Solve for x
    x = 541,718,242,021,456.31/28,030,217.40
  6. Step 6: Final answer
    x = 19,326,223.35

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Similar ratio
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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.