Home / 8,707,899.12-12,017,045.52-4,787,820.96

Finding the Fourth Proportional to 8,707,899.12, 12,017,045.52 and 4,787,820.96

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Solution

The fourth proportional to 8,707,899.12, 12,017,045.52 and 4,787,820.96 is: 6,607,272.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,707,899.12 : 12,017,045.52 = 4,787,820.96 : x
  2. Step 2: Convert to fraction form
    8,707,899.12/12,017,045.52 = 4,787,820.96/x
  3. Step 3: Cross multiply
    8,707,899.12x = 12,017,045.52 × 4,787,820.96
  4. Step 4: Simplify right side
    8,707,899.12x = 57,535,462,417,930.09
  5. Step 5: Solve for x
    x = 57,535,462,417,930.09/8,707,899.12
  6. Step 6: Final answer
    x = 6,607,272.50

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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.