Home / 28,112,129.12-42,163,916.28-10,837,808.91

Finding the Fourth Proportional to 28,112,129.12, 42,163,916.28 and 10,837,808.91

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Solution

The fourth proportional to 28,112,129.12, 42,163,916.28 and 10,837,808.91 is: 16,255,064.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,112,129.12 : 42,163,916.28 = 10,837,808.91 : x
  2. Step 2: Convert to fraction form
    28,112,129.12/42,163,916.28 = 10,837,808.91/x
  3. Step 3: Cross multiply
    28,112,129.12x = 42,163,916.28 × 10,837,808.91
  4. Step 4: Simplify right side
    28,112,129.12x = 456,964,467,499,236.25
  5. Step 5: Solve for x
    x = 456,964,467,499,236.25/28,112,129.12
  6. Step 6: Final answer
    x = 16,255,064.34

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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.