Home / 12,861,354.08-19,287,966.44-4,224,031.47

Finding the Fourth Proportional to 12,861,354.08, 19,287,966.44 and 4,224,031.47

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Solution

The fourth proportional to 12,861,354.08, 19,287,966.44 and 4,224,031.47 is: 6,334,712.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,861,354.08 : 19,287,966.44 = 4,224,031.47 : x
  2. Step 2: Convert to fraction form
    12,861,354.08/19,287,966.44 = 4,224,031.47/x
  3. Step 3: Cross multiply
    12,861,354.08x = 19,287,966.44 × 4,224,031.47
  4. Step 4: Simplify right side
    12,861,354.08x = 81,472,977,245,423.94
  5. Step 5: Solve for x
    x = 81,472,977,245,423.94/12,861,354.08
  6. Step 6: Final answer
    x = 6,334,712.25

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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.