Home / 28,025,216.40-42,037,824.60-15,111,200.10

Finding the Fourth Proportional to 28,025,216.40, 42,037,824.60 and 15,111,200.10

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Solution

The fourth proportional to 28,025,216.40, 42,037,824.60 and 15,111,200.10 is: 22,666,800.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,025,216.40 : 42,037,824.60 = 15,111,200.10 : x
  2. Step 2: Convert to fraction form
    28,025,216.40/42,037,824.60 = 15,111,200.10/x
  3. Step 3: Cross multiply
    28,025,216.40x = 42,037,824.60 × 15,111,200.10
  4. Step 4: Simplify right side
    28,025,216.40x = 635,241,979,299,302.50
  5. Step 5: Solve for x
    x = 635,241,979,299,302.50/28,025,216.40
  6. Step 6: Final answer
    x = 22,666,800.15

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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.