Home / 29,525,791.72-40,748,441.70-17,920,681.96

Finding the Fourth Proportional to 29,525,791.72, 40,748,441.70 and 17,920,681.96

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Solution

The fourth proportional to 29,525,791.72, 40,748,441.70 and 17,920,681.96 is: 24,732,270.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,525,791.72 : 40,748,441.70 = 17,920,681.96 : x
  2. Step 2: Convert to fraction form
    29,525,791.72/40,748,441.70 = 17,920,681.96/x
  3. Step 3: Cross multiply
    29,525,791.72x = 40,748,441.70 × 17,920,681.96
  4. Step 4: Simplify right side
    29,525,791.72x = 730,239,864,071,301.88
  5. Step 5: Solve for x
    x = 730,239,864,071,301.88/29,525,791.72
  6. Step 6: Final answer
    x = 24,732,270.38

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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.