Home / 8,633,038.30-12,960,055.05-4,371,012.70

Finding the Fourth Proportional to 8,633,038.30, 12,960,055.05 and 4,371,012.70

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Solution

The fourth proportional to 8,633,038.30, 12,960,055.05 and 4,371,012.70 is: 6,561,834.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,633,038.30 : 12,960,055.05 = 4,371,012.70 : x
  2. Step 2: Convert to fraction form
    8,633,038.30/12,960,055.05 = 4,371,012.70/x
  3. Step 3: Cross multiply
    8,633,038.30x = 12,960,055.05 × 4,371,012.70
  4. Step 4: Simplify right side
    8,633,038.30x = 56,648,565,216,249.14
  5. Step 5: Solve for x
    x = 56,648,565,216,249.14/8,633,038.30
  6. Step 6: Final answer
    x = 6,561,834.11

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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.