Home / 15,057,373.84-20,779,300.47-8,181,855.93

Finding the Fourth Proportional to 15,057,373.84, 20,779,300.47 and 8,181,855.93

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Solution

The fourth proportional to 15,057,373.84, 20,779,300.47 and 8,181,855.93 is: 11,291,028.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,057,373.84 : 20,779,300.47 = 8,181,855.93 : x
  2. Step 2: Convert to fraction form
    15,057,373.84/20,779,300.47 = 8,181,855.93/x
  3. Step 3: Cross multiply
    15,057,373.84x = 20,779,300.47 × 8,181,855.93
  4. Step 4: Simplify right side
    15,057,373.84x = 170,013,242,771,721.28
  5. Step 5: Solve for x
    x = 170,013,242,771,721.28/15,057,373.84
  6. Step 6: Final answer
    x = 11,291,028.87

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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.