Home / 12,011,363.40-18,008,486.64-5,618,130.60

Finding the Fourth Proportional to 12,011,363.40, 18,008,486.64 and 5,618,130.60

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Solution

The fourth proportional to 12,011,363.40, 18,008,486.64 and 5,618,130.60 is: 8,423,192.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,011,363.40 : 18,008,486.64 = 5,618,130.60 : x
  2. Step 2: Convert to fraction form
    12,011,363.40/18,008,486.64 = 5,618,130.60/x
  3. Step 3: Cross multiply
    12,011,363.40x = 18,008,486.64 × 5,618,130.60
  4. Step 4: Simplify right side
    12,011,363.40x = 101,174,029,851,875.19
  5. Step 5: Solve for x
    x = 101,174,029,851,875.19/12,011,363.40
  6. Step 6: Final answer
    x = 8,423,192.81

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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.