Home / 14,487,631.60-21,731,447.40-8,748,068.80

Finding the Fourth Proportional to 14,487,631.60, 21,731,447.40 and 8,748,068.80

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Solution

The fourth proportional to 14,487,631.60, 21,731,447.40 and 8,748,068.80 is: 13,122,103.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487,631.60 : 21,731,447.40 = 8,748,068.80 : x
  2. Step 2: Convert to fraction form
    14,487,631.60/21,731,447.40 = 8,748,068.80/x
  3. Step 3: Cross multiply
    14,487,631.60x = 21,731,447.40 × 8,748,068.80
  4. Step 4: Simplify right side
    14,487,631.60x = 190,108,196,978,781.12
  5. Step 5: Solve for x
    x = 190,108,196,978,781.12/14,487,631.60
  6. Step 6: Final answer
    x = 13,122,103.20

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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.