Home / 40,480,424.63-60,720,587.74-13,186,672.83

Finding the Fourth Proportional to 40,480,424.63, 60,720,587.74 and 13,186,672.83

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Solution

The fourth proportional to 40,480,424.63, 60,720,587.74 and 13,186,672.83 is: 19,779,993.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,480,424.63 : 60,720,587.74 = 13,186,672.83 : x
  2. Step 2: Convert to fraction form
    40,480,424.63/60,720,587.74 = 13,186,672.83/x
  3. Step 3: Cross multiply
    40,480,424.63x = 60,720,587.74 × 13,186,672.83
  4. Step 4: Simplify right side
    40,480,424.63x = 800,702,524,514,997.38
  5. Step 5: Solve for x
    x = 800,702,524,514,997.38/40,480,424.63
  6. Step 6: Final answer
    x = 19,779,993.22

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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.