Home / 21,041,955.40-29,057,952-19,895,599.52

Finding the Fourth Proportional to 21,041,955.40, 29,057,952 and 19,895,599.52

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Solution

The fourth proportional to 21,041,955.40, 29,057,952 and 19,895,599.52 is: 27,474,888.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,041,955.40 : 29,057,952 = 19,895,599.52 : x
  2. Step 2: Convert to fraction form
    21,041,955.40/29,057,952 = 19,895,599.52/x
  3. Step 3: Cross multiply
    21,041,955.40x = 29,057,952 × 19,895,599.52
  4. Step 4: Simplify right side
    21,041,955.40x = 578,125,375,863,383
  5. Step 5: Solve for x
    x = 578,125,375,863,383/21,041,955.40
  6. Step 6: Final answer
    x = 27,474,888.38

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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.