Home / 12,146,952.70-18,199,433.85-7,884,927.10

Finding the Fourth Proportional to 12,146,952.70, 18,199,433.85 and 7,884,927.10

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Solution

The fourth proportional to 12,146,952.70, 18,199,433.85 and 7,884,927.10 is: 11,813,762.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,146,952.70 : 18,199,433.85 = 7,884,927.10 : x
  2. Step 2: Convert to fraction form
    12,146,952.70/18,199,433.85 = 7,884,927.10/x
  3. Step 3: Cross multiply
    12,146,952.70x = 18,199,433.85 × 7,884,927.10
  4. Step 4: Simplify right side
    12,146,952.70x = 143,501,209,168,522.34
  5. Step 5: Solve for x
    x = 143,501,209,168,522.34/12,146,952.70
  6. Step 6: Final answer
    x = 11,813,762.08

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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.