Home / 8,421,031.86-11,621,015.66-4,553,543.81

Finding the Fourth Proportional to 8,421,031.86, 11,621,015.66 and 4,553,543.81

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Solution

The fourth proportional to 8,421,031.86, 11,621,015.66 and 4,553,543.81 is: 6,283,885.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,421,031.86 : 11,621,015.66 = 4,553,543.81 : x
  2. Step 2: Convert to fraction form
    8,421,031.86/11,621,015.66 = 4,553,543.81/x
  3. Step 3: Cross multiply
    8,421,031.86x = 11,621,015.66 × 4,553,543.81
  4. Step 4: Simplify right side
    8,421,031.86x = 52,916,803,843,633.26
  5. Step 5: Solve for x
    x = 52,916,803,843,633.26/8,421,031.86
  6. Step 6: Final answer
    x = 6,283,885.96

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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.