Home / 13,488,055.10-20,232,082.65-6,661,990.70

Finding the Fourth Proportional to 13,488,055.10, 20,232,082.65 and 6,661,990.70

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Solution

The fourth proportional to 13,488,055.10, 20,232,082.65 and 6,661,990.70 is: 9,992,986.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488,055.10 : 20,232,082.65 = 6,661,990.70 : x
  2. Step 2: Convert to fraction form
    13,488,055.10/20,232,082.65 = 6,661,990.70/x
  3. Step 3: Cross multiply
    13,488,055.10x = 20,232,082.65 × 6,661,990.70
  4. Step 4: Simplify right side
    13,488,055.10x = 134,785,946,455,931.34
  5. Step 5: Solve for x
    x = 134,785,946,455,931.34/13,488,055.10
  6. Step 6: Final answer
    x = 9,992,986.05

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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.