Home / 12,483,783.70-18,739,672.35-9,656,430.10

Finding the Fourth Proportional to 12,483,783.70, 18,739,672.35 and 9,656,430.10

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Solution

The fourth proportional to 12,483,783.70, 18,739,672.35 and 9,656,430.10 is: 14,495,471.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483,783.70 : 18,739,672.35 = 9,656,430.10 : x
  2. Step 2: Convert to fraction form
    12,483,783.70/18,739,672.35 = 9,656,430.10/x
  3. Step 3: Cross multiply
    12,483,783.70x = 18,739,672.35 × 9,656,430.10
  4. Step 4: Simplify right side
    12,483,783.70x = 180,958,336,144,677.75
  5. Step 5: Solve for x
    x = 180,958,336,144,677.75/12,483,783.70
  6. Step 6: Final answer
    x = 14,495,471.93

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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.