Home / 13,708,335.60-18,919,587.42-8,748,916.74

Finding the Fourth Proportional to 13,708,335.60, 18,919,587.42 and 8,748,916.74

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Solution

The fourth proportional to 13,708,335.60, 18,919,587.42 and 8,748,916.74 is: 12,074,835.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,708,335.60 : 18,919,587.42 = 8,748,916.74 : x
  2. Step 2: Convert to fraction form
    13,708,335.60/18,919,587.42 = 8,748,916.74/x
  3. Step 3: Cross multiply
    13,708,335.60x = 18,919,587.42 × 8,748,916.74
  4. Step 4: Simplify right side
    13,708,335.60x = 165,525,895,092,731.44
  5. Step 5: Solve for x
    x = 165,525,895,092,731.44/13,708,335.60
  6. Step 6: Final answer
    x = 12,074,835.34

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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.