Home / 31,117,681.68-46,683,854.10-10,647,624.12

Finding the Fourth Proportional to 31,117,681.68, 46,683,854.10 and 10,647,624.12

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Solution

The fourth proportional to 31,117,681.68, 46,683,854.10 and 10,647,624.12 is: 15,973,944.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,117,681.68 : 46,683,854.10 = 10,647,624.12 : x
  2. Step 2: Convert to fraction form
    31,117,681.68/46,683,854.10 = 10,647,624.12/x
  3. Step 3: Cross multiply
    31,117,681.68x = 46,683,854.10 × 10,647,624.12
  4. Step 4: Simplify right side
    31,117,681.68x = 497,072,130,929,720.88
  5. Step 5: Solve for x
    x = 497,072,130,929,720.88/31,117,681.68
  6. Step 6: Final answer
    x = 15,973,944.85

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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.