Home / 12,861,353.96-19,287,966.25-4,224,031.35

Finding the Fourth Proportional to 12,861,353.96, 19,287,966.25 and 4,224,031.35

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Solution

The fourth proportional to 12,861,353.96, 19,287,966.25 and 4,224,031.35 is: 6,334,712.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,861,353.96 : 19,287,966.25 = 4,224,031.35 : x
  2. Step 2: Convert to fraction form
    12,861,353.96/19,287,966.25 = 4,224,031.35/x
  3. Step 3: Cross multiply
    12,861,353.96x = 19,287,966.25 × 4,224,031.35
  4. Step 4: Simplify right side
    12,861,353.96x = 81,472,974,117,741.94
  5. Step 5: Solve for x
    x = 81,472,974,117,741.94/12,861,353.96
  6. Step 6: Final answer
    x = 6,334,712.07

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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.