Home / 38,221,111.84-52,746,345.84-20,817,983.20

Finding the Fourth Proportional to 38,221,111.84, 52,746,345.84 and 20,817,983.20

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Solution

The fourth proportional to 38,221,111.84, 52,746,345.84 and 20,817,983.20 is: 28,729,476.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,221,111.84 : 52,746,345.84 = 20,817,983.20 : x
  2. Step 2: Convert to fraction form
    38,221,111.84/52,746,345.84 = 20,817,983.20/x
  3. Step 3: Cross multiply
    38,221,111.84x = 52,746,345.84 × 20,817,983.20
  4. Step 4: Simplify right side
    38,221,111.84x = 1,098,072,541,558,509.88
  5. Step 5: Solve for x
    x = 1,098,072,541,558,509.88/38,221,111.84
  6. Step 6: Final answer
    x = 28,729,476.69

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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.