Home / 7,527,031.86-10,386,658.50-4,174,305.78

Finding the Fourth Proportional to 7,527,031.86, 10,386,658.50 and 4,174,305.78

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Solution

The fourth proportional to 7,527,031.86, 10,386,658.50 and 4,174,305.78 is: 5,760,184.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,527,031.86 : 10,386,658.50 = 4,174,305.78 : x
  2. Step 2: Convert to fraction form
    7,527,031.86/10,386,658.50 = 4,174,305.78/x
  3. Step 3: Cross multiply
    7,527,031.86x = 10,386,658.50 × 4,174,305.78
  4. Step 4: Simplify right side
    7,527,031.86x = 43,357,088,611,436.12
  5. Step 5: Solve for x
    x = 43,357,088,611,436.12/7,527,031.86
  6. Step 6: Final answer
    x = 5,760,184.02

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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.