Home / 21,735,394.16-29,982,353.96-13,572,460.40

Finding the Fourth Proportional to 21,735,394.16, 29,982,353.96 and 13,572,460.40

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Solution

The fourth proportional to 21,735,394.16, 29,982,353.96 and 13,572,460.40 is: 18,722,196.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,735,394.16 : 29,982,353.96 = 13,572,460.40 : x
  2. Step 2: Convert to fraction form
    21,735,394.16/29,982,353.96 = 13,572,460.40/x
  3. Step 3: Cross multiply
    21,735,394.16x = 29,982,353.96 × 13,572,460.40
  4. Step 4: Simplify right side
    21,735,394.16x = 406,934,311,820,883.19
  5. Step 5: Solve for x
    x = 406,934,311,820,883.19/21,735,394.16
  6. Step 6: Final answer
    x = 18,722,196.10

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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.