Home / 13,510,176-18,638,534.88-7,999,454.40

Finding the Fourth Proportional to 13,510,176, 18,638,534.88 and 7,999,454.40

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Solution

The fourth proportional to 13,510,176, 18,638,534.88 and 7,999,454.40 is: 11,035,985.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,510,176 : 18,638,534.88 = 7,999,454.40 : x
  2. Step 2: Convert to fraction form
    13,510,176/18,638,534.88 = 7,999,454.40/x
  3. Step 3: Cross multiply
    13,510,176x = 18,638,534.88 × 7,999,454.40
  4. Step 4: Simplify right side
    13,510,176x = 149,098,109,855,369.47
  5. Step 5: Solve for x
    x = 149,098,109,855,369.47/13,510,176
  6. Step 6: Final answer
    x = 11,035,985.75

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1.5x scale

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.