Home / 10,102,561.47-15,159,820.68-3,717,297.72

Finding the Fourth Proportional to 10,102,561.47, 15,159,820.68 and 3,717,297.72

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Solution

The fourth proportional to 10,102,561.47, 15,159,820.68 and 3,717,297.72 is: 5,578,146.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102,561.47 : 15,159,820.68 = 3,717,297.72 : x
  2. Step 2: Convert to fraction form
    10,102,561.47/15,159,820.68 = 3,717,297.72/x
  3. Step 3: Cross multiply
    10,102,561.47x = 15,159,820.68 × 3,717,297.72
  4. Step 4: Simplify right side
    10,102,561.47x = 56,353,566,849,372.85
  5. Step 5: Solve for x
    x = 56,353,566,849,372.85/10,102,561.47
  6. Step 6: Final answer
    x = 5,578,146.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.