Home / 28,970,656.42-43,428,969.25-9,787,998.28

Finding the Fourth Proportional to 28,970,656.42, 43,428,969.25 and 9,787,998.28

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Solution

The fourth proportional to 28,970,656.42, 43,428,969.25 and 9,787,998.28 is: 14,672,870.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,970,656.42 : 43,428,969.25 = 9,787,998.28 : x
  2. Step 2: Convert to fraction form
    28,970,656.42/43,428,969.25 = 9,787,998.28/x
  3. Step 3: Cross multiply
    28,970,656.42x = 43,428,969.25 × 9,787,998.28
  4. Step 4: Simplify right side
    28,970,656.42x = 425,082,676,055,088.06
  5. Step 5: Solve for x
    x = 425,082,676,055,088.06/28,970,656.42
  6. Step 6: Final answer
    x = 14,672,870.02

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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.