Home / 28,082,881.80-42,124,322.70-15,947,656.20

Finding the Fourth Proportional to 28,082,881.80, 42,124,322.70 and 15,947,656.20

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Solution

The fourth proportional to 28,082,881.80, 42,124,322.70 and 15,947,656.20 is: 23,921,484.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082,881.80 : 42,124,322.70 = 15,947,656.20 : x
  2. Step 2: Convert to fraction form
    28,082,881.80/42,124,322.70 = 15,947,656.20/x
  3. Step 3: Cross multiply
    28,082,881.80x = 42,124,322.70 × 15,947,656.20
  4. Step 4: Simplify right side
    28,082,881.80x = 671,784,216,077,455.75
  5. Step 5: Solve for x
    x = 671,784,216,077,455.75/28,082,881.80
  6. Step 6: Final answer
    x = 23,921,484.30

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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.