Home / 31,380,130.90-47,070,196.36-11,178,082.90

Finding the Fourth Proportional to 31,380,130.90, 47,070,196.36 and 11,178,082.90

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Solution

The fourth proportional to 31,380,130.90, 47,070,196.36 and 11,178,082.90 is: 16,767,124.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,380,130.90 : 47,070,196.36 = 11,178,082.90 : x
  2. Step 2: Convert to fraction form
    31,380,130.90/47,070,196.36 = 11,178,082.90/x
  3. Step 3: Cross multiply
    31,380,130.90x = 47,070,196.36 × 11,178,082.90
  4. Step 4: Simplify right side
    31,380,130.90x = 526,154,557,031,358.25
  5. Step 5: Solve for x
    x = 526,154,557,031,358.25/31,380,130.90
  6. Step 6: Final answer
    x = 16,767,124.35

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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.