Home / 19,983,602.34-27,578,973.45-15,887,437.80

Finding the Fourth Proportional to 19,983,602.34, 27,578,973.45 and 15,887,437.80

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Solution

The fourth proportional to 19,983,602.34, 27,578,973.45 and 15,887,437.80 is: 21,925,937.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,983,602.34 : 27,578,973.45 = 15,887,437.80 : x
  2. Step 2: Convert to fraction form
    19,983,602.34/27,578,973.45 = 15,887,437.80/x
  3. Step 3: Cross multiply
    19,983,602.34x = 27,578,973.45 × 15,887,437.80
  4. Step 4: Simplify right side
    19,983,602.34x = 438,159,225,274,726.44
  5. Step 5: Solve for x
    x = 438,159,225,274,726.44/19,983,602.34
  6. Step 6: Final answer
    x = 21,925,937.97

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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.