Home / 13,117,406.04-18,101,960.28-7,236,880.20

Finding the Fourth Proportional to 13,117,406.04, 18,101,960.28 and 7,236,880.20

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Solution

The fourth proportional to 13,117,406.04, 18,101,960.28 and 7,236,880.20 is: 9,986,861.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117,406.04 : 18,101,960.28 = 7,236,880.20 : x
  2. Step 2: Convert to fraction form
    13,117,406.04/18,101,960.28 = 7,236,880.20/x
  3. Step 3: Cross multiply
    13,117,406.04x = 18,101,960.28 × 7,236,880.20
  4. Step 4: Simplify right side
    13,117,406.04x = 131,001,717,931,518.47
  5. Step 5: Solve for x
    x = 131,001,717,931,518.47/13,117,406.04
  6. Step 6: Final answer
    x = 9,986,861.54

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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.