Home / 17,020,942.40-23,485,686.56-10,146,066.24

Finding the Fourth Proportional to 17,020,942.40, 23,485,686.56 and 10,146,066.24

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Solution

The fourth proportional to 17,020,942.40, 23,485,686.56 and 10,146,066.24 is: 13,999,655.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,020,942.40 : 23,485,686.56 = 10,146,066.24 : x
  2. Step 2: Convert to fraction form
    17,020,942.40/23,485,686.56 = 10,146,066.24/x
  3. Step 3: Cross multiply
    17,020,942.40x = 23,485,686.56 × 10,146,066.24
  4. Step 4: Simplify right side
    17,020,942.40x = 238,287,331,529,637.72
  5. Step 5: Solve for x
    x = 238,287,331,529,637.72/17,020,942.40
  6. Step 6: Final answer
    x = 13,999,655.60

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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.