Home / 28,298,414.10-42,349,643.55-16,947,009.30

Finding the Fourth Proportional to 28,298,414.10, 42,349,643.55 and 16,947,009.30

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Solution

The fourth proportional to 28,298,414.10, 42,349,643.55 and 16,947,009.30 is: 25,361,838.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,298,414.10 : 42,349,643.55 = 16,947,009.30 : x
  2. Step 2: Convert to fraction form
    28,298,414.10/42,349,643.55 = 16,947,009.30/x
  3. Step 3: Cross multiply
    28,298,414.10x = 42,349,643.55 × 16,947,009.30
  4. Step 4: Simplify right side
    28,298,414.10x = 717,699,803,093,535
  5. Step 5: Solve for x
    x = 717,699,803,093,535/28,298,414.10
  6. Step 6: Final answer
    x = 25,361,838.32

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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.