Home / 15,920,622.08-21,971,051.52-9,046,269.44

Finding the Fourth Proportional to 15,920,622.08, 21,971,051.52 and 9,046,269.44

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Solution

The fourth proportional to 15,920,622.08, 21,971,051.52 and 9,046,269.44 is: 12,484,188.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,920,622.08 : 21,971,051.52 = 9,046,269.44 : x
  2. Step 2: Convert to fraction form
    15,920,622.08/21,971,051.52 = 9,046,269.44/x
  3. Step 3: Cross multiply
    15,920,622.08x = 21,971,051.52 × 9,046,269.44
  4. Step 4: Simplify right side
    15,920,622.08x = 198,756,051,930,041.53
  5. Step 5: Solve for x
    x = 198,756,051,930,041.53/15,920,622.08
  6. Step 6: Final answer
    x = 12,484,188.80

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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.