Home / 18,870,322.64-28,302,331.14-5,224,848.40

Finding the Fourth Proportional to 18,870,322.64, 28,302,331.14 and 5,224,848.40

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Solution

The fourth proportional to 18,870,322.64, 28,302,331.14 and 5,224,848.40 is: 7,836,399.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,870,322.64 : 28,302,331.14 = 5,224,848.40 : x
  2. Step 2: Convert to fraction form
    18,870,322.64/28,302,331.14 = 5,224,848.40/x
  3. Step 3: Cross multiply
    18,870,322.64x = 28,302,331.14 × 5,224,848.40
  4. Step 4: Simplify right side
    18,870,322.64x = 147,875,389,573,099.19
  5. Step 5: Solve for x
    x = 147,875,389,573,099.19/18,870,322.64
  6. Step 6: Final answer
    x = 7,836,399.64

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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.