Home / 7,623,516.51-10,520,622.50-4,185,771.21

Finding the Fourth Proportional to 7,623,516.51, 10,520,622.50 and 4,185,771.21

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Solution

The fourth proportional to 7,623,516.51, 10,520,622.50 and 4,185,771.21 is: 5,776,457.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623,516.51 : 10,520,622.50 = 4,185,771.21 : x
  2. Step 2: Convert to fraction form
    7,623,516.51/10,520,622.50 = 4,185,771.21/x
  3. Step 3: Cross multiply
    7,623,516.51x = 10,520,622.50 × 4,185,771.21
  4. Step 4: Simplify right side
    7,623,516.51x = 44,036,918,750,849.37
  5. Step 5: Solve for x
    x = 44,036,918,750,849.37/7,623,516.51
  6. Step 6: Final answer
    x = 5,776,457.45

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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.