Home / 7,480,637.12-10,318,492.32-5,187,961.28

Finding the Fourth Proportional to 7,480,637.12, 10,318,492.32 and 5,187,961.28

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Solution

The fourth proportional to 7,480,637.12, 10,318,492.32 and 5,187,961.28 is: 7,156,066.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480,637.12 : 10,318,492.32 = 5,187,961.28 : x
  2. Step 2: Convert to fraction form
    7,480,637.12/10,318,492.32 = 5,187,961.28/x
  3. Step 3: Cross multiply
    7,480,637.12x = 10,318,492.32 × 5,187,961.28
  4. Step 4: Simplify right side
    7,480,637.12x = 53,531,938,624,137.38
  5. Step 5: Solve for x
    x = 53,531,938,624,137.38/7,480,637.12
  6. Step 6: Final answer
    x = 7,156,066.76

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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.