Home / 19,983,602.56-27,578,973.76-15,887,438.04

Finding the Fourth Proportional to 19,983,602.56, 27,578,973.76 and 15,887,438.04

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Solution

The fourth proportional to 19,983,602.56, 27,578,973.76 and 15,887,438.04 is: 21,925,938.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,983,602.56 : 27,578,973.76 = 15,887,438.04 : x
  2. Step 2: Convert to fraction form
    19,983,602.56/27,578,973.76 = 15,887,438.04/x
  3. Step 3: Cross multiply
    19,983,602.56x = 27,578,973.76 × 15,887,438.04
  4. Step 4: Simplify right side
    19,983,602.56x = 438,159,236,818,785.81
  5. Step 5: Solve for x
    x = 438,159,236,818,785.81/19,983,602.56
  6. Step 6: Final answer
    x = 21,925,938.30

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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.