Home / 20,139,029.03-30,208,543.55-5,762,565.83

Finding the Fourth Proportional to 20,139,029.03, 30,208,543.55 and 5,762,565.83

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Solution

The fourth proportional to 20,139,029.03, 30,208,543.55 and 5,762,565.83 is: 8,643,848.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,139,029.03 : 30,208,543.55 = 5,762,565.83 : x
  2. Step 2: Convert to fraction form
    20,139,029.03/30,208,543.55 = 5,762,565.83/x
  3. Step 3: Cross multiply
    20,139,029.03x = 30,208,543.55 × 5,762,565.83
  4. Step 4: Simplify right side
    20,139,029.03x = 174,078,720,655,441.38
  5. Step 5: Solve for x
    x = 174,078,720,655,441.38/20,139,029.03
  6. Step 6: Final answer
    x = 8,643,848.74

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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.