Home / 30,558,812.76-45,828,489.42-10,084,721.40

Finding the Fourth Proportional to 30,558,812.76, 45,828,489.42 and 10,084,721.40

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Solution

The fourth proportional to 30,558,812.76, 45,828,489.42 and 10,084,721.40 is: 15,123,871.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,558,812.76 : 45,828,489.42 = 10,084,721.40 : x
  2. Step 2: Convert to fraction form
    30,558,812.76/45,828,489.42 = 10,084,721.40/x
  3. Step 3: Cross multiply
    30,558,812.76x = 45,828,489.42 × 10,084,721.40
  4. Step 4: Simplify right side
    30,558,812.76x = 462,167,547,983,547.62
  5. Step 5: Solve for x
    x = 462,167,547,983,547.62/30,558,812.76
  6. Step 6: Final answer
    x = 15,123,871.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.