Home / 19,851,001.60-29,776,502.40-7,071,923.20

Finding the Fourth Proportional to 19,851,001.60, 29,776,502.40 and 7,071,923.20

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Solution

The fourth proportional to 19,851,001.60, 29,776,502.40 and 7,071,923.20 is: 10,607,884.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,851,001.60 : 29,776,502.40 = 7,071,923.20 : x
  2. Step 2: Convert to fraction form
    19,851,001.60/29,776,502.40 = 7,071,923.20/x
  3. Step 3: Cross multiply
    19,851,001.60x = 29,776,502.40 × 7,071,923.20
  4. Step 4: Simplify right side
    19,851,001.60x = 210,577,138,137,415.69
  5. Step 5: Solve for x
    x = 210,577,138,137,415.69/19,851,001.60
  6. Step 6: Final answer
    x = 10,607,884.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.