Home / 21,266,969.82-29,344,547.07-11,973,094.62

Finding the Fourth Proportional to 21,266,969.82, 29,344,547.07 and 11,973,094.62

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Solution

The fourth proportional to 21,266,969.82, 29,344,547.07 and 11,973,094.62 is: 16,520,691.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,266,969.82 : 29,344,547.07 = 11,973,094.62 : x
  2. Step 2: Convert to fraction form
    21,266,969.82/29,344,547.07 = 11,973,094.62/x
  3. Step 3: Cross multiply
    21,266,969.82x = 29,344,547.07 × 11,973,094.62
  4. Step 4: Simplify right side
    21,266,969.82x = 351,345,038,650,153.75
  5. Step 5: Solve for x
    x = 351,345,038,650,153.75/21,266,969.82
  6. Step 6: Final answer
    x = 16,520,691.08

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1.5x scale

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.