Home / 14,166,980.72-19,547,991.96-7,971,167.60

Finding the Fourth Proportional to 14,166,980.72, 19,547,991.96 and 7,971,167.60

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Solution

The fourth proportional to 14,166,980.72, 19,547,991.96 and 7,971,167.60 is: 10,998,837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,166,980.72 : 19,547,991.96 = 7,971,167.60 : x
  2. Step 2: Convert to fraction form
    14,166,980.72/19,547,991.96 = 7,971,167.60/x
  3. Step 3: Cross multiply
    14,166,980.72x = 19,547,991.96 × 7,971,167.60
  4. Step 4: Simplify right side
    14,166,980.72x = 155,820,320,156,612.50
  5. Step 5: Solve for x
    x = 155,820,320,156,612.50/14,166,980.72
  6. Step 6: Final answer
    x = 10,998,837.60

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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.