Home / 12,020,909.07-18,032,197.10-4,832,445.81

Finding the Fourth Proportional to 12,020,909.07, 18,032,197.10 and 4,832,445.81

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Solution

The fourth proportional to 12,020,909.07, 18,032,197.10 and 4,832,445.81 is: 7,249,003.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020,909.07 : 18,032,197.10 = 4,832,445.81 : x
  2. Step 2: Convert to fraction form
    12,020,909.07/18,032,197.10 = 4,832,445.81/x
  3. Step 3: Cross multiply
    12,020,909.07x = 18,032,197.10 × 4,832,445.81
  4. Step 4: Simplify right side
    12,020,909.07x = 87,139,615,296,826.91
  5. Step 5: Solve for x
    x = 87,139,615,296,826.91/12,020,909.07
  6. Step 6: Final answer
    x = 7,249,003.78

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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.