Home / 15,157,100.60-22,791,638.10-12,693,663.80

Finding the Fourth Proportional to 15,157,100.60, 22,791,638.10 and 12,693,663.80

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Solution

The fourth proportional to 15,157,100.60, 22,791,638.10 and 12,693,663.80 is: 19,087,383.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,157,100.60 : 22,791,638.10 = 12,693,663.80 : x
  2. Step 2: Convert to fraction form
    15,157,100.60/22,791,638.10 = 12,693,663.80/x
  3. Step 3: Cross multiply
    15,157,100.60x = 22,791,638.10 × 12,693,663.80
  4. Step 4: Simplify right side
    15,157,100.60x = 289,309,391,492,670.81
  5. Step 5: Solve for x
    x = 289,309,391,492,670.81/15,157,100.60
  6. Step 6: Final answer
    x = 19,087,383.47

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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.