Home / 12,679,445.76-19,023,903.36-5,108,559.36

Finding the Fourth Proportional to 12,679,445.76, 19,023,903.36 and 5,108,559.36

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Solution

The fourth proportional to 12,679,445.76, 19,023,903.36 and 5,108,559.36 is: 7,664,746.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,679,445.76 : 19,023,903.36 = 5,108,559.36 : x
  2. Step 2: Convert to fraction form
    12,679,445.76/19,023,903.36 = 5,108,559.36/x
  3. Step 3: Cross multiply
    12,679,445.76x = 19,023,903.36 × 5,108,559.36
  4. Step 4: Simplify right side
    12,679,445.76x = 97,184,739,573,463.45
  5. Step 5: Solve for x
    x = 97,184,739,573,463.45/12,679,445.76
  6. Step 6: Final answer
    x = 7,664,746.66

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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.