Home / 7,818,921.86-10,783,714.59-5,503,479.35

Finding the Fourth Proportional to 7,818,921.86, 10,783,714.59 and 5,503,479.35

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Solution

The fourth proportional to 7,818,921.86, 10,783,714.59 and 5,503,479.35 is: 7,590,298.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818,921.86 : 10,783,714.59 = 5,503,479.35 : x
  2. Step 2: Convert to fraction form
    7,818,921.86/10,783,714.59 = 5,503,479.35/x
  3. Step 3: Cross multiply
    7,818,921.86x = 10,783,714.59 × 5,503,479.35
  4. Step 4: Simplify right side
    7,818,921.86x = 59,347,950,508,440.14
  5. Step 5: Solve for x
    x = 59,347,950,508,440.14/7,818,921.86
  6. Step 6: Final answer
    x = 7,590,298.46

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1.5x scale

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.