Home / 13,359,088.12-18,435,548.28-7,247,515

Finding the Fourth Proportional to 13,359,088.12, 18,435,548.28 and 7,247,515

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Solution

The fourth proportional to 13,359,088.12, 18,435,548.28 and 7,247,515 is: 10,001,574.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359,088.12 : 18,435,548.28 = 7,247,515 : x
  2. Step 2: Convert to fraction form
    13,359,088.12/18,435,548.28 = 7,247,515/x
  3. Step 3: Cross multiply
    13,359,088.12x = 18,435,548.28 × 7,247,515
  4. Step 4: Simplify right side
    13,359,088.12x = 133,611,912,692,524.20
  5. Step 5: Solve for x
    x = 133,611,912,692,524.20/13,359,088.12
  6. Step 6: Final answer
    x = 10,001,574.32

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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.