Home / 28,119,302.99-42,168,049.88-9,671,740.31

Finding the Fourth Proportional to 28,119,302.99, 42,168,049.88 and 9,671,740.31

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Solution

The fourth proportional to 28,119,302.99, 42,168,049.88 and 9,671,740.31 is: 14,503,859.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,119,302.99 : 42,168,049.88 = 9,671,740.31 : x
  2. Step 2: Convert to fraction form
    28,119,302.99/42,168,049.88 = 9,671,740.31/x
  3. Step 3: Cross multiply
    28,119,302.99x = 42,168,049.88 × 9,671,740.31
  4. Step 4: Simplify right side
    28,119,302.99x = 407,838,427,948,086.12
  5. Step 5: Solve for x
    x = 407,838,427,948,086.12/28,119,302.99
  6. Step 6: Final answer
    x = 14,503,859.79

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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.