Home / 28,996,719.14-40,015,191.08-15,765,895.88

Finding the Fourth Proportional to 28,996,719.14, 40,015,191.08 and 15,765,895.88

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Solution

The fourth proportional to 28,996,719.14, 40,015,191.08 and 15,765,895.88 is: 21,756,783.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,996,719.14 : 40,015,191.08 = 15,765,895.88 : x
  2. Step 2: Convert to fraction form
    28,996,719.14/40,015,191.08 = 15,765,895.88/x
  3. Step 3: Cross multiply
    28,996,719.14x = 40,015,191.08 × 15,765,895.88
  4. Step 4: Simplify right side
    28,996,719.14x = 630,875,336,185,584.75
  5. Step 5: Solve for x
    x = 630,875,336,185,584.75/28,996,719.14
  6. Step 6: Final answer
    x = 21,756,783.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.