Home / 28,031,394.60-42,039,218.70-8,868,025.80

Finding the Fourth Proportional to 28,031,394.60, 42,039,218.70 and 8,868,025.80

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Solution

The fourth proportional to 28,031,394.60, 42,039,218.70 and 8,868,025.80 is: 13,299,547.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,031,394.60 : 42,039,218.70 = 8,868,025.80 : x
  2. Step 2: Convert to fraction form
    28,031,394.60/42,039,218.70 = 8,868,025.80/x
  3. Step 3: Cross multiply
    28,031,394.60x = 42,039,218.70 × 8,868,025.80
  4. Step 4: Simplify right side
    28,031,394.60x = 372,804,876,043,442.50
  5. Step 5: Solve for x
    x = 372,804,876,043,442.50/28,031,394.60
  6. Step 6: Final answer
    x = 13,299,547.93

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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.