Home / 28,022,807.18-42,032,715.40-7,552,198.30

Finding the Fourth Proportional to 28,022,807.18, 42,032,715.40 and 7,552,198.30

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Solution

The fourth proportional to 28,022,807.18, 42,032,715.40 and 7,552,198.30 is: 11,327,894.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,022,807.18 : 42,032,715.40 = 7,552,198.30 : x
  2. Step 2: Convert to fraction form
    28,022,807.18/42,032,715.40 = 7,552,198.30/x
  3. Step 3: Cross multiply
    28,022,807.18x = 42,032,715.40 × 7,552,198.30
  4. Step 4: Simplify right side
    28,022,807.18x = 317,439,401,788,263.81
  5. Step 5: Solve for x
    x = 317,439,401,788,263.81/28,022,807.18
  6. Step 6: Final answer
    x = 11,327,894.45

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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.