Home / 7,218,720.81-10,828,088.51-1,827,370.94

Finding the Fourth Proportional to 7,218,720.81, 10,828,088.51 and 1,827,370.94

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Solution

The fourth proportional to 7,218,720.81, 10,828,088.51 and 1,827,370.94 is: 2,741,058.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218,720.81 : 10,828,088.51 = 1,827,370.94 : x
  2. Step 2: Convert to fraction form
    7,218,720.81/10,828,088.51 = 1,827,370.94/x
  3. Step 3: Cross multiply
    7,218,720.81x = 10,828,088.51 × 1,827,370.94
  4. Step 4: Simplify right side
    7,218,720.81x = 19,786,934,215,644.61
  5. Step 5: Solve for x
    x = 19,786,934,215,644.61/7,218,720.81
  6. Step 6: Final answer
    x = 2,741,058.25

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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.