Home / 14,537,863.20-21,783,175.20-12,506,577.60

Finding the Fourth Proportional to 14,537,863.20, 21,783,175.20 and 12,506,577.60

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Solution

The fourth proportional to 14,537,863.20, 21,783,175.20 and 12,506,577.60 is: 18,739,547.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,537,863.20 : 21,783,175.20 = 12,506,577.60 : x
  2. Step 2: Convert to fraction form
    14,537,863.20/21,783,175.20 = 12,506,577.60/x
  3. Step 3: Cross multiply
    14,537,863.20x = 21,783,175.20 × 12,506,577.60
  4. Step 4: Simplify right side
    14,537,863.20x = 272,432,971,013,195.50
  5. Step 5: Solve for x
    x = 272,432,971,013,195.50/14,537,863.20
  6. Step 6: Final answer
    x = 18,739,547.02

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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.