Home / 28,006,412.40-42,009,618.60-16,029,298.80

Finding the Fourth Proportional to 28,006,412.40, 42,009,618.60 and 16,029,298.80

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Solution

The fourth proportional to 28,006,412.40, 42,009,618.60 and 16,029,298.80 is: 24,043,948.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,006,412.40 : 42,009,618.60 = 16,029,298.80 : x
  2. Step 2: Convert to fraction form
    28,006,412.40/42,009,618.60 = 16,029,298.80/x
  3. Step 3: Cross multiply
    28,006,412.40x = 42,009,618.60 × 16,029,298.80
  4. Step 4: Simplify right side
    28,006,412.40x = 673,384,729,013,437.75
  5. Step 5: Solve for x
    x = 673,384,729,013,437.75/28,006,412.40
  6. Step 6: Final answer
    x = 24,043,948.20

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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.