Home / 12,732,417.30-17,570,198.25-6,931,078.50

Finding the Fourth Proportional to 12,732,417.30, 17,570,198.25 and 6,931,078.50

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Solution

The fourth proportional to 12,732,417.30, 17,570,198.25 and 6,931,078.50 is: 9,564,595.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,732,417.30 : 17,570,198.25 = 6,931,078.50 : x
  2. Step 2: Convert to fraction form
    12,732,417.30/17,570,198.25 = 6,931,078.50/x
  3. Step 3: Cross multiply
    12,732,417.30x = 17,570,198.25 × 6,931,078.50
  4. Step 4: Simplify right side
    12,732,417.30x = 121,780,423,331,312.62
  5. Step 5: Solve for x
    x = 121,780,423,331,312.62/12,732,417.30
  6. Step 6: Final answer
    x = 9,564,595.67

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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.