Home / 7,811,994-10,778,808.18-4,715,019.72

Finding the Fourth Proportional to 7,811,994, 10,778,808.18 and 4,715,019.72

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Solution

The fourth proportional to 7,811,994, 10,778,808.18 and 4,715,019.72 is: 6,505,674.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,811,994 : 10,778,808.18 = 4,715,019.72 : x
  2. Step 2: Convert to fraction form
    7,811,994/10,778,808.18 = 4,715,019.72/x
  3. Step 3: Cross multiply
    7,811,994x = 10,778,808.18 × 4,715,019.72
  4. Step 4: Simplify right side
    7,811,994x = 50,822,293,126,797.30
  5. Step 5: Solve for x
    x = 50,822,293,126,797.30/7,811,994
  6. Step 6: Final answer
    x = 6,505,674.88

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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.