Home / 19,983,599.31-27,578,969.28-15,887,434.77

Finding the Fourth Proportional to 19,983,599.31, 27,578,969.28 and 15,887,434.77

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Solution

The fourth proportional to 19,983,599.31, 27,578,969.28 and 15,887,434.77 is: 21,925,933.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,983,599.31 : 27,578,969.28 = 15,887,434.77 : x
  2. Step 2: Convert to fraction form
    19,983,599.31/27,578,969.28 = 15,887,434.77/x
  3. Step 3: Cross multiply
    19,983,599.31x = 27,578,969.28 × 15,887,434.77
  4. Step 4: Simplify right side
    19,983,599.31x = 438,159,075,459,833.88
  5. Step 5: Solve for x
    x = 438,159,075,459,833.88/19,983,599.31
  6. Step 6: Final answer
    x = 21,925,933.80

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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.