Home / 18,270,123.92-25,210,933.80-10,119,839.12

Finding the Fourth Proportional to 18,270,123.92, 25,210,933.80 and 10,119,839.12

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Solution

The fourth proportional to 18,270,123.92, 25,210,933.80 and 10,119,839.12 is: 13,964,360.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,270,123.92 : 25,210,933.80 = 10,119,839.12 : x
  2. Step 2: Convert to fraction form
    18,270,123.92/25,210,933.80 = 10,119,839.12/x
  3. Step 3: Cross multiply
    18,270,123.92x = 25,210,933.80 × 10,119,839.12
  4. Step 4: Simplify right side
    18,270,123.92x = 255,130,594,120,970.25
  5. Step 5: Solve for x
    x = 255,130,594,120,970.25/18,270,123.92
  6. Step 6: Final answer
    x = 13,964,360.35

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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.