Home / 10,369,549.90-15,554,324.85-9,109,837.90

Finding the Fourth Proportional to 10,369,549.90, 15,554,324.85 and 9,109,837.90

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Solution

The fourth proportional to 10,369,549.90, 15,554,324.85 and 9,109,837.90 is: 13,664,756.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,549.90 : 15,554,324.85 = 9,109,837.90 : x
  2. Step 2: Convert to fraction form
    10,369,549.90/15,554,324.85 = 9,109,837.90/x
  3. Step 3: Cross multiply
    10,369,549.90x = 15,554,324.85 × 9,109,837.90
  4. Step 4: Simplify right side
    10,369,549.90x = 141,697,378,027,441.81
  5. Step 5: Solve for x
    x = 141,697,378,027,441.81/10,369,549.90
  6. Step 6: Final answer
    x = 13,664,756.85

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1.5x scale

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.