Home / 31,439,601.68-43,386,205.96-17,688,533.04

Finding the Fourth Proportional to 31,439,601.68, 43,386,205.96 and 17,688,533.04

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Solution

The fourth proportional to 31,439,601.68, 43,386,205.96 and 17,688,533.04 is: 24,409,925.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,439,601.68 : 43,386,205.96 = 17,688,533.04 : x
  2. Step 2: Convert to fraction form
    31,439,601.68/43,386,205.96 = 17,688,533.04/x
  3. Step 3: Cross multiply
    31,439,601.68x = 43,386,205.96 × 17,688,533.04
  4. Step 4: Simplify right side
    31,439,601.68x = 767,438,337,603,704.88
  5. Step 5: Solve for x
    x = 767,438,337,603,704.88/31,439,601.68
  6. Step 6: Final answer
    x = 24,409,925.59

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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.