Home / 21,041,987.09-29,057,997.00-19,895,632.76

Finding the Fourth Proportional to 21,041,987.09, 29,057,997.00 and 19,895,632.76

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Solution

The fourth proportional to 21,041,987.09, 29,057,997.00 and 19,895,632.76 is: 27,474,935.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,041,987.09 : 29,057,997.00 = 19,895,632.76 : x
  2. Step 2: Convert to fraction form
    21,041,987.09/29,057,997.00 = 19,895,632.76/x
  3. Step 3: Cross multiply
    21,041,987.09x = 29,057,997.00 × 19,895,632.76
  4. Step 4: Simplify right side
    21,041,987.09x = 578,127,237,200,435.38
  5. Step 5: Solve for x
    x = 578,127,237,200,435.38/21,041,987.09
  6. Step 6: Final answer
    x = 27,474,935.45

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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.